Application
15150464 · THREE-WAY FLOW SUB FOR CONTINUOUS CIRCULATION
Filed 2016-05-10 · Granted · Patent 10107053 (2018-10-23) The official file ↗The patent and its PDF ↗ · Art unit 3672 · Examiner David L Andrews Typical · CPC E21B 21/08 · Weatherford Technology Holdings, LLC · PATTERSON & SHERIDAN, L.L.P. / Weatherford
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
21.9 mo
to disposition 29.4 mo
Statutes raised
DP
1 actions read