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TELESCOPING CENTRALIZERS FOR EXPANDABLE TUBULARS

10/648,955 | U.S. Patent Application

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Filed Aug. 27, 2003
Examiner WRIGHT, GIOVANNA COLLINS
Class 166
Art Group 3672
Patent No. 7,422,069
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 1 week, 6 days ago
Date # Transaction