United States Patent (19)
`RObell
`
`54 GRIDDED MEASUREMENT SYSTEM FOR
`CONSTRUCTION MATERLALS
`76 Inventor: Glenn Robell, 2621 S.W. 16' Pl,
`Seattle, Wash. 98166
`
`*
`
`Notice:
`
`This patent is Subject to a terminal dis
`claimer.
`
`21 Appl. No.: 09/366,092
`22 Filed:
`Aug. 3, 1999
`S.
`Related U.S. Application Data
`
`63 Continuation of application No. 09/008.408, Jan. 17, 1998,
`which is a continuation-in-part of application No. 08/944,
`385, Oct. 6, 1997, Pat No. 5,842,280, which is a division of
`application No. 08/599.986, Feb. 14, 1996, Pat. No. 5,673,
`
`(51) Int. Cl. ................................................. G01B 3700
`52 U.S. Cl. ................................................. 33/1 B; 33/566
`58 Field of Search .................................... 33/1 B., 1 BB,
`33/1 G, 1 K, 1 SD, 194, 404, 411, 494,
`562, 563, 566
`
`56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`8/1917 Hornig ...................................... 33/494
`1,235,801
`3,795,053 3/1974 Burke ........................................ 33/1 B
`5,195,249 3/1993 Jackson ..................................... 33/1 B
`5,282,317 2/1994 Carter et al.
`... 33/1 B
`5,335,421
`8/1994 Jones, Jr. ...
`... 33/494
`E. 3.E.
`- - - - -
`- - -
`|
`2Y------
`f
`CaC
`... 33/
`5,842,280 12/1998 Robell .....
`" ...
`5,913,586 6/1999 Marshall ................................... 33/494
`5.924,213 7/1999 Lee ............................................ 33/1B
`5,950,319 9/1999 Harris ........................................ 33/1 B
`FOREIGN PATENT DOCUMENTS
`529509 6/1955 Italy ......................................... 33/1 B
`
`USOO6115926A
`Patent Number:
`11
`(45) Date of Patent:
`
`6,115,926
`*Sep. 12, 2000
`
`7/1947 United Kingdom ..................... 33/1 B
`5901.05
`1578521 11/1980 United Kingdom ..................... 33/1 B
`Primary Examiner-G. Bradley Bennett
`Attorney, Agent, or Firm Marger Johnson & McCollom,
`P.C.
`
`ABSTRACT
`57
`A System of gridded measurement for the cutting,
`measuring, fastening, and installing of construction materi
`als which comprises the imprinting of Visually precise
`commonly used measurement markings upon the Surfaces of
`construction materials during the manufacturing process to
`Save time and improve the accuracy of cutting the construc
`tion materials O job Site or in a manufacturing facility and
`nailing it in place. Different embodiments of the System have
`varying combinations of grids, inter-grids, perimeter hori
`Zontal and vertical unit measurement markings, non
`perimeter horizontal and Vertical unit measurement mark
`ings, highlighted markings, numerical markings, fractional
`markings, protractor markings, informational markings,
`nailing guides; product Specification markings, and curved
`lines. Angled cuts may be easily made by cutting along the
`opposite corners of a predetermined number of grids
`counted in both horizontal and vertical directions, through
`use of the protractor markings, or a combination of both.
`Lines for commonly used markings may be highlighted for
`easy recognition in a variety of ways, Such as but not limited
`to being darkened, doubled, tripled, dashed or dotted, or
`color enhanced. Although not limited to the following
`applications, the System of the present invention may be
`used on Structural and non-Structural panels Such as
`wallboard, shower board, oriented strand board (OSB), rigid
`and flexible insulation that is available in an aggregation of
`fan-folded sheets, fire retardant panel products, gypsum
`board.pl
`d. plastic laminat
`d other Substantiall
`oara, plywood, plastic laminates, and Olner substanually
`rectangular material which must be cut and nailed to exact
`measurements on a construction job site or in a manufac
`turing facility.
`
`32 Claims, 9 Drawing Sheets
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 1
`
`

`

`U.S. Patent
`
`Sep. 12, 2000
`
`Sheet 1 of 9
`
`6,115,926
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 2
`
`

`

`U.S. Patent
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`Sep. 12, 2000
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 3
`
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`Sep. 12, 2000
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 4
`
`

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`U.S. Patent
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`Sep. 12, 2000
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 5
`
`

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`Sep. 12, 2000
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`IPR of U.S. Pat. No. 8,474,197
`Page 6
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 7
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 8
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`Sep. 12, 2000
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 9
`
`

`

`U.S. Patent
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`Sep. 12, 2000
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`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 10
`
`

`

`1
`GRIDDED MEASUREMENT SYSTEM FOR
`CONSTRUCTION MATERLALS
`
`6,115,926
`
`15
`
`2
`2. Description of Prior Art
`During both new and renovation work conducted on a
`construction site, as well as construction in manufacturing
`facilities, building materials must be accurately measured
`prior to cutting to ensure that they will perform the functions
`for which they were intended. When construction materials
`are mismeasured and a cut piece is too large for its intended
`use, additional time must be spent to reshape it. If a cut piece
`is too small and Subsequently used, gaps may be present in
`a finished Structure which detract from its appearance, and
`the functional integrity of the Structure may also be com
`promised. Materials cut too small and discarded result in
`financial loSS. Therefore, it is desirable to have a means for
`accurately and expediently cutting building materials on
`construction and renovation job Sites, and well as in manu
`facturing facilities.
`One way to create a Smaller piece of construction material
`out of a larger one is through the use of a tape measure and
`a marking device, Such as a pencil, to place a Series of Small
`marks upon at least one Surface of the large piece of
`construction material at a measured distance from one of its
`Straight edges. The person cutting the material may then use
`the marks as an approximate cutting guide. In the
`alternative, the perSon needing to cut the construction mate
`rial can connect two or more of the marks with a line, Such
`as by use of a Snapped chalk line or by using a pencil and
`a Straight edged device, the line then being used as the
`cutting guide. The main disadvantage of making and con
`necting measurements marked on a piece of construction
`material at a job Site is that it is time consuming. When
`Sufficient time is taken to accurately place the marks, the
`accuracy of the cut is greatly improved, but at the expense
`of increased labor cost. Also, human error is commonly
`asSociated with the field measurement of multiple marks on
`a piece of construction material. People coming to work
`tired for a variety of reasons, those working outside for
`extended hours in extreme temperature conditions, and those
`preSSured to finish a project in a short period of time, do not
`always focus their attention on the tape measure markings
`and can easily misread them, particularly the fractional
`markings. Also, lines which are thickly marked onto con
`Struction materials may also lead to cutting errors, particu
`larly when a variance in the portion of the thick line cut is
`extended the full length of a four foot by eight foot, four foot
`by nine foot, four foot by ten foot, or four foot by twelve foot
`sheet of construction material. The mistakes which result
`from Such cutting errors, waste both time and materials if
`they are not corrected prior to cutting.
`Cutting tools are also known which aid in making precise
`cuts in drywall and other construction materials. The inven
`tion in U.S. Pat. No. 5,206,965 to Rowley (1993) discloses
`a utility knife with an angled Structure associated with its
`housing which provides a guiding Surface for making angled
`or mitered cuts along the edge of a piece of construction
`material, such as drywall. The invention in U.S. Pat. No.
`5,265,342 to Lang, Jr. (1993) discloses a knife fastened to a
`rod which passes through an opening in a guide that rides
`along the edge of a piece of construction material. Gradu
`ations on the rod allow new cut widths without the repeated
`use of tape measures and marking devices.
`InterSecting and angled lines printed upon construction
`materials are also known. The inventions in U.S. Pat. No.
`4,858,402 to Putz (1989) and U.S. Pat. No. 4,870,788 to
`Hassan (1989) all disclose lined patterns on construction
`materials to facilitate the use and placement thereof. The
`present invention discloses a gridded measurement System
`having advantages over the disclosure in Putz and Hassan.
`
`25
`
`This application is a continuation application based upon
`the earlier non-provisional patent application Ser. No.
`09/008.408, filed by applicant on Jan. 17, 1998. Patent
`application Ser. No. 09/008,408, is a continuation-in-part
`patent application Ser. No. 08/944,385, filed Oct. 6, 1997
`based upon disclosure provided by applicant in his U.S. Pat.
`No. 5,842,280, which issued on Dec. 1, 1998 and is a
`divisional application Ser. No. 08/599.986, filed Feb. 14,
`1996, based upon the disclosure provided by applicant in his
`U.S. Pat. No. 5,673,489 which issued on Oct. 7, 1997.
`BACKGROUND
`1. Field of Invention
`This invention relates to methods and devices for accu
`rately cutting and fastening construction materials, Specifi
`cally to a time Saving measurement System by which to
`enhance the efficiency and accuracy of cutting and fastening
`construction materials on a job Site or in a manufacturing
`facility, the System of the present invention involving the
`imprinting during manufacture of grids, intergrids, and other
`measurement markings onto one or more Surfaces of the
`construction materials. Applications may include, but are not
`limited to, use on Structural and non-structural panels Such
`as wallboard; shower board; oriented strand board (OSB);
`insulation; gypsum board; plywood; fire retardant panel
`products; HARDIE BACKER and other HARDIE PANEL
`products both manufactured by the James Hardie Corpora
`tion from Wood pulp fiber and/or fiber cement? gypsum
`and/or a combination thereof; Structural and non-structural
`panels manufactured by Louisiana-Pacific Corporation Such
`as their TOP NOTCHE) tongue-and-groove OSB flooring
`product and their OSB sheathing products including TECH
`SHIELD(R), structural and non-structural panels manufac
`35
`tured by United States Gypsum Company such as their
`cementations board DURROCKCE), and interior sheetrock
`gypsum panels including GREEN BOARD(R); structural and
`non-structural panels manufactured by Custom Building
`Products, Inc., including their WONDERBOARD(R) product
`for underlayment; Structural and non-structural panels
`manufactured by Georgia Pacific Corporation and Wil
`lamette Industries, Inc. Such as their plywood products
`and/or OSB engineered wood products for wall sheathing,
`roof applications, and flooring, laminated panel products of
`The Formica Corporation such as their FORMICAGR) lami
`nated panels and other laminates and Solid Surfacing mate
`rials comprising plastic, including products which are
`intended for use in the creation or manufacture of
`countertops, cabinetry, furniture, flooring, and wall panel
`ing; rigid and flexible materials. Such as insulation which are
`manufactured in the form of one elongated sheet having a
`length of fifty feet or more which have score lines,
`perforations, or molded Seams at regular intervals. Such as
`every four feet for fan-folded Storage, these types of prod
`ucts being easily torn or cut along the Score lines,
`perforations, and molded Seams into usable sheets on a job
`site such as the Dow Chemical Corporation product BLU
`COR(R) which includes but is not limited to extruded poly
`styrene sheets having a 0.23 inch thickness as well as a 0.34
`inch thickness, the Sheet sizes of which are generally forty
`eight inches by Six-hundred inches in width and length
`dimension with a paper or plastic face and Scored or perfo
`rated approximately every four feet; or any other essentially
`rectangular material which must be cut, measured, fastened,
`and installed to exact measurements on a construction or
`renovation job Site, or in a manufacturing facility.
`
`40
`
`45
`
`50
`
`55
`
`60
`
`65
`
`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 11
`
`

`

`3
`Varying combinations of multiple non-perimeter horizontal
`and Vertical unit measurement markings uniformly posi
`tioned within the central portion of the construction material
`Surface; multiple protractor markings positioned within the
`central portion of the construction material Surface, inverted
`numerals on the perimeter and non-perimeter horizontal and
`Vertical unit measurement markings, reversed perimeter and
`non-perimeter unit measurement markings, number blockS
`at interSections of horizontal and Vertical unit measurement
`markings, centrally positioned informational markings, nail
`ing guides, product specifications including trademarked
`phrases and company names, and Short and extended curved
`lines Superimposed on the gridded System distinguish the
`present invention from Putz and Hassan. These features
`provide a person needing to cut and fasten construction
`materials with an even faster and more accurate System for
`the cutting, measuring, fastening, and installing of construc
`tion materials than is possible with any known prior art,
`particularly when the perSon is using irregularly shaped
`remnant pieces of construction material. Use of the present
`invention also minimizes construction waste due to
`mismeasurement, and each piece of the present invention
`used on a construction site or in a manufacturing facility,
`including remnant pieces, will provide a handy on-site,
`time-Saving reference for other measurement needs, a ref
`erence that can be accurate to one-one-thousandth of an
`inch, or its equivalent, when markings are laser cut.
`As stated above, U.S. Pat. No. 5,673,489 and U.S. Pat.
`No. 5,842,280, which are incorporated by reference herein
`in their entirety, are issued patents relating to gridded
`measurement Systems for use on at least one Surface of a
`piece of construction material So as to provide a visually
`precise means for fast and accurate cutting, measuring,
`fastening, and installing of the construction material.
`SUMMARY OF INVENTION OBJECTS AND
`ADVANTAGES
`It is the primary object of this invention to provide an
`improved System by which to enhance the accuracy of
`cutting, measuring, fastening, and installing pieces of con
`Struction materials So as to prevent waste of construction
`materials. It is also an object of this invention to provide an
`improved time Saving means by which to accurately cut,
`measure, fasten, and install pieces of construction materials.
`A further object of this invention is to provide an easy and
`expedited means for making angled or mitered cuts on
`pieces of construction materials. It is also an object of this
`invention to provide imprinted measuring grids on pieces of
`construction material which are sized and highlighted in a
`variety of commonly used measuring units. A further object
`of this invention is to provide an imprinted multiple grids
`within-a-grid measuring System having fractional measure
`ments for accurate measurement to one-one thousandth of an
`inch, or its equivalent. It is a further object of this invention
`to provide other features Superimposed over the multiple
`grids-within-a-grid System to meet Specialized construction
`needs. It is also an object of this invention to provide a
`System by which to enhance the accuracy of cutting,
`measuring, fastening, and installing of FORMICAGR) and
`other laminates and Solid Surfacing materials comprising
`plastic, to include products which are intended for use in the
`creation or manufacture of countertops, cabinetry, furniture,
`flooring, and wall paneling, as well as rigid and flexible
`materials. Such as insulation which are manufactured in the
`form of one elongated fan-folded sheet with regularly
`Spaced Score lines, perforations, or molded Seams that
`facilitate tearing or cutting of the material on a job Site or in
`a manufacturing facility into usable lengths.
`
`15
`
`25
`
`35
`
`40
`
`45
`
`50
`
`55
`
`60
`
`65
`
`6,115,926
`
`4
`AS described herein, properly manufactured and
`imprinted on a sheet of construction material, the present
`invention would provide an improved time Saving means for
`accurately cutting, measuring, fastening, and installing con
`Struction materials. Precisely marked gridded lines, Spaced
`apart from one another in Standard measurement units,
`would be placed both horizontally and vertically on at least
`one Surface of a piece of construction material. Numerals
`could be marked in association with whole measuring units
`for fast identification of dimensions which are required for
`a cut or nailing. In one preferred embodiment of the present
`invention, each numeral used in the perimeter horizontal and
`Vertical unit measurement markings would have an identical
`inverted number associated therewith So that a perSon Stand
`ing on any Side of a rectangular piece of construction
`material can easily See a non-inverted numeral on both the
`near Side and the opposed side of the material. Unit mea
`Surement markings could be placed around the perimeter of
`a piece of construction material or at a preset Spaced-apart
`distance from the actual perimeter of the piece of construc
`tion material. Fractional markings and inter-grids would also
`be available for increased precision in cutting, measuring,
`fastening, and installing the construction material and par
`ticularly when laser cut to an accuracy of one-one
`thousandths of an inch the fractional and inter-grid markings
`will allow an acceptable cutting, measuring, fastening, and
`installing accuracy for virtually every need. It is contem
`plated for all present invention markings used for cutting,
`measuring, fastening, and installing to be visually precise
`and imprinted with the manufacturing capability to imple
`ment an accuracy of one-one-thousandth of an inch. It is also
`contemplated for the lines marking commonly used
`measurements, Such as the Sixteen inch measurement
`between Studs, to be highlighted, darkened, doubled, tripled,
`dashed, dotted, color enhanced, or otherwise enhanced on
`the grid for quick reference. Although angled and mitered
`cuts could be easily made by cutting along the opposite
`corners of a predetermined number of grids or inter-grids
`counted in both horizontal and vertical directions, in another
`preferred embodiment multiple protractors are positioned
`upon the Surface of the construction material to facilitate the
`cutting of angled lines, particularly on previously cut rem
`nant pieces of construction material. Depending on the size
`of the construction material sheet, the protractors could be
`centered, placed at alternate interSections of horizontal and
`Vertical unit measurement markings, placed at interSections
`of horizontal and vertical unit measurement markings adja
`cent to each corner of the sheet, or placed in any other
`position or pattern helpful to a particular use. Also, although
`not critical, it is contemplated for the protractor markings to
`be accurately imprinted upon the construction materials in
`contrasting colors which enhance their visibility, but at the
`Same time not to detract from the use of the gridded
`measurement markings adjacent to them. The gridded mea
`Surement markings aid in providing a quick measurement
`reference and also provide convenient guides for cutting
`Straight lines through construction material. The gridded and
`inter-grid markings of the present invention could be used to
`improve the accuracy of leveling Siding attached to the
`outside of a building so that the horizontal orientation of the
`Successively applied layers of Siding does not change with
`respect to the layerS previously applied. Also, whether Siding
`is applied from the left side of a wall to its right side, from
`the right side of a wall to its left side, or from the bottom up,
`the Visually precise gridded and inter-grid markings will
`provide a convenient background against which the Siding
`can be rapidly installed Since the horizontal and vertical
`
`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 12
`
`

`

`6,115,926
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`15
`
`25
`
`S
`orientation of each piece of Siding can be instantaneously
`assessed as it is being applied without the use of any
`additional tools. Further, a quick glance at the markings on
`a remnant piece of construction material having the grid
`measurement System of the present invention will more
`rapidly reveal the presence of a Straight edge, a 90-degree
`angle between adjacent edges without measurement, or
`whether the piece has the minimum dimension required for
`a particular purpose. In a third embodiment of the present
`invention additional nonperimeter horizontal and vertical
`unit measurement markings are uniformly positioned cen
`trally on the surface of the construction material. While
`helpful in making more rapid original cuts on construction
`materials, Such non-perimeter horizontal and vertical unit
`measurement markings are particularly useful in cutting and
`fastening construction material remnants. In the present
`invention it is contemplated for at least one non-perimeter
`horizontal and one non-perimeter Vertical measurement unit
`marking to be placed at regularly Spaced intervals between
`adjacent highlighted markings. It is also contemplated for
`the present invention to comprise inverted and/or reversed
`unit measurement markings associated with both perimeter
`and non-perimeter horizontal and Vertical unit measurement
`markings, widened unit measurement markings which pro
`vide a narrow Strip of measurement information Such as "1
`F”, “2 F, etc. or 16", 32", 48", etc., number blocks repeat
`edly associated with certain identified interSections of hori
`Zontal and vertical unit measurement markings, and infor
`mational markings Such as but not limited to the type of
`measurement Systems used and the type of measurements
`enhanced by highlighted markings, Seasonal messages,
`product Specification markings to include display of com
`pany logos, company names, and/or trademarked phrases, as
`well as nailing guides and various curved lines Superim
`posed over the multiple gridded measurement System to
`meet Specialized construction needs, Such as those of the
`marine industry.
`The description herein provides preferred embodiments
`of the present invention but should not be construed as
`limiting its Scope. Variations in the units used to configure
`the grids, the Selection of fractional markings displayed, the
`number of non-perimeter horizontal and vertical unit mea
`Surement markings used, the Selection of commonly used
`construction measurements chosen for highlighting,
`darkening, doubling, tripling, dashing, dotting, or color
`enhancing, the frequency of the numerals used to identify
`grid units, and the use of numerals for other grid measure
`ment markings, other than those shown and described
`herein, can be incorporated into the present invention. Thus
`the scope of the present invention should be determined by
`the appended claims and their legal equivalents, rather than
`the examples given.
`
`6
`FIG. 4 is a sectional top view of a fourth preferred
`embodiment of the invention having multiple non-perimeter
`horizontal and vertical unit measurement markings posi
`tioned thereon and multiple protractor markings also posi
`tioned thereon and placed over the interSections of the
`enhanced twelve inch lines.
`FIG. 5 is a sectional top view of a fifth preferred embodi
`ment of the invention having inverted and reversed perim
`eter horizontal unit measurement markings, inverted and
`reversed vertical unit measurement markings, and centrally
`positioned number blockS comprising inverted horizontal
`and vertical measurement markings.
`FIG. 6 is a sectional top view of a sixth preferred
`embodiment of the invention having centrally positioned
`number blockS comprising inverted horizontal and vertical
`measurement markings and centrally positioned informa
`tional markings.
`FIG. 7 is a sectional top view of a seventh preferred
`embodiment of the invention having nailing guides posi
`tioned on Selected interSections of unit measurement mark
`ings.
`FIG. 8 is a sectional top view of an eighth preferred
`embodiment of the invention having a trademarked logo
`positioned Superimposed over unit measurement markings.
`FIG. 9 is a sectional top view of a ninth preferred
`embodiment of the invention having Special purpose curved
`lines positioned over unit measurement markings.
`DETAILED DESCRIPTION OF PREFERRED
`EMBODIMENTS
`FIG. 1 shows the upper right portion of a first preferred
`embodiment of an improved gridded measurement System 2
`for use with a variety of building materials (not shown), to
`include but not be limited to Wallboard, shower board,
`oriented strand board (OSB), insulation, fire retardant panel
`product, gypsum board, plywood, plastic laminates, elon
`gated rigid and flexible insulation materials Scored or per
`forated for fan folding and easy Separation into individual
`sheets, and any other essentially rectangular material, par
`ticularly four foot by eight foot, four foot by nine foot, four
`foot by ten foot, and four foot by twelve foot panels,
`Sub-Straights, and sheets, which must be cut to exact mea
`Surements on a construction or a renovation job Site, or used
`in a manufacturing facility. In addition, it is contemplated for
`gridded measurement System 2 to be used for the placement
`of Visually precise unit measurement markings on construc
`tion materials which have length and width dimensions
`ranging between a minimum of approximately one foot and
`a maximum of approximately thirty-six feet, fan-folded
`materials having various widths and a length dimension
`greater than thirty-six feet, materials having a thickneSS
`dimension ranging between a minimum of approximately
`one-eighth of an inch and a maximum of approximately four
`inches, and which are configured as engineered wood prod
`ucts including oriented strand board (OSB); fiber cement
`products, combination products comprising both fiber
`cement and wood fiber, cementatious products, products
`comprising radiant barriers, tongue-and-groove panel prod
`ucts, plastic laminates, rigid and flexible insulation materi
`als, panel products with one or more ship-lap type edges on
`one Side; panel products with one or more ship-lap type
`edges on both Sides, panel products with paint grade type
`faces, panel products with decorative paintable faces con
`Sisting of grooved patterns, and panel products with deco
`rative paintable faces consisting of various Wood grain
`textures Such as T-111, as well as other types of paintable
`grade panels. Such as those manufactured by James Hardie
`Corporation.
`
`35
`
`40
`
`45
`
`50
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`FIG. 1 is a sectional top view of a first preferred embodi
`ment of the invention having multiple protractor markings
`positioned thereon.
`FIG. 2 is a sectional top view of a second preferred
`embodiment of the invention having an identical inverted
`numeral positioned adjacent to each of the numerals within
`the perimeter horizontal and vertical unit measurement
`markings.
`FIG. 3 is a sectional top view of a third preferred
`embodiment of the invention having multiple non-perimeter
`horizontal and vertical unit measurement markings posi
`tioned thereon.
`
`55
`
`60
`
`65
`
`Louisiana-Pacific Corporation, Exhibit 1046
`IPR of U.S. Pat. No. 8,474,197
`Page 13
`
`

`

`7
`Although the length and width dimensions of gridded
`measurement System 2 can vary according to a particular
`need, FIG. 1 ShowS gridded measurement System 2 being
`three feet wide and of an undetermined length. It is con
`templated for gridded measurement System 2 to be applied
`to at least one flat Surface of a piece of construction material
`(not shown), however, gridded measurement System 2 may
`be applied to all Surfaces appropriate for a part