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CASING RUNNING AND DRILLING SYSTEM

11/688,619 | U.S. Patent Application

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Location ELECTRONIC
Filed March 20, 2007
Examiner KENNETH L THOMPSON
Class 166
Art Group 3672
Patent No. 7,513,300
Case Type Utility - 166/077510
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/794,795 Patented
Parent 60/451,964 Expired
Parent 11/288,976 Patented
Parent 10/738,950 Patented
Parent 10/354,226 Patented
Parent 09/762,698 Patented
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Last Updated: 2 years, 11 months ago
Date # Transaction