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MANDREL FOR INTRODUCTION INTO A FLUID CIRCULATION DUCT, AND RELATED PRODUCTION WELL

11/633,479 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 5, 2006
Examiner KENNETH L THOMPSON
Class 166
Art Group 3672
Patent No. 7,669,665
Case Type Utility - 166/207000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child 05 12435
Last Updated: 2 years, 3 months ago
Date # Transaction