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METHOD AND APPARATUS FOR WELLBORE FLUID TREATMENT

11/403,957 | U.S. Patent Application

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Location ELECTRONIC
Filed April 14, 2006
Examiner KENNETH L THOMPSON
Class 166
Art Group 3672
Patent No. 7,431,091
Case Type Utility - 166/317000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/604,807 Patented
Parent 60/404,783 Expired
Child 12/208,463 Patented
Child 12/830,410 Abandoned
Child 12/830,412 Patented
Child 13/455,291 Patented
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Last Updated: 3 years ago
Date # Transaction