Download Docs
Export

DOWNHOLE SUB WITH HYDRAULICALLY ACTUABLE SLEEVE VALVE

61/287,150 | U.S. Patent Application

Interested in this case?

Request a Demo Track this case, and find millions of cases like it, let us show you how.
Location ELECTRONIC
Filed Dec. 16, 2009
Case Type Provisional
Status Provisional Application Expired
Child 12/914,731 Patented
Child 14/273,989 Patented
Child 16/14,926 Pending
Child 12/830,412 Patented
Last Updated: 4 years, 11 months ago
Date # Transaction