Application
13766433 · HYDRAULIC COMMUNICATION DEVICE
Filed 2013-02-13 · Granted · Patent 9528345 (2016-12-27) The official file ↗The patent and its PDF ↗ · Art unit 3672 · Examiner Taras P Bemko Typical · CPC E21B 34/10 · Weatherford Technology Holdings, LLC · PATTERSON & SHERIDAN, L.L.P. / Weatherford
Office actions
4
first was Non-final rejection
RCEs
1
no appeal
To first action
26.2 mo
to disposition 46.4 mo
Statutes raised
102 103 112
4 actions read