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Reexamination of Patent No. 7,281,587, Apparatus and Methods for Tubular Makeup Interlock

95/1,116 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 18, 2008
Examiner MATTHEW C GRAHAM
Class 166
Art Group 3993
Case Type Re-Examination - 166/380000
Status Reexamination Certificate issued
Original Case 11/393,311 Patented
Parent 10/625,840 Patented
Parent 09/860,127 Patented
Last Updated: 4 years, 1 month ago
Date # Transaction