Application

14659955 · SIGNAL OPERATED ISOLATION VALVE

Filed 2015-03-17 · Granted · Patent 10151171 (2018-12-11) The official file ↗The patent and its PDF ↗ · Art unit 3672 · Examiner Giovanna Collins Wright Typical · CPC E21B 34/06 · Weatherford Technology Holdings, LLC · PATTERSON & SHERIDAN, L.L.P. / Weatherford

Office actions

first was Restriction requirement

RCEs

no appeal

To first action

28.7 mo

to disposition 44.8 mo

Statutes raised

102 103 112

2 actions read

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