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WELLHEAD WITH RADIALLY EXPANDED TUBULARS

10/624,842 | U.S. Patent Application

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Location ELECTRONIC
Filed July 22, 2003
Examiner THOMAS S BOMAR
Class 166
Art Group 3672
Patent No. 7,174,964
Case Type Utility - 166/379000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/502,350 Patented
Parent 60/119,611 Expired
Last Updated: 6 years, 4 months ago
Date # Transaction