Application
15345288 · APPARATUS AND METHODS FOR COUNTERBALANCING A PUMPING UNIT
Filed 2016-11-07 · Granted · Patent 11174856 (2021-11-16) The official file ↗The patent and its PDF ↗ · Art unit 3746 · Examiner Connor J. Tremarche Hard · CPC F04B 47/14 · Weatherford Technology Holdings, LLC · PATTERSON & SHERIDAN, L.L.P. / Weatherford
Office actions
4
first was Non-final rejection
RCEs
1
appealed
To first action
24.4 mo
to disposition 60.3 mo
Statutes raised
101 102 103 112
4 actions read