Application

15028880 · ELECTROMECHANICAL DEVICE FOR ENGAGING SHIFTABLE KEYS OF DOWNHOLE TOOL

Filed 2016-04-12 · Granted · Patent 9890611 (2018-02-13) The official file ↗The patent and its PDF ↗ · Art unit 3672 · Examiner Nikhil Menon · CPC E21B 23/00 · HALLIBURTON ENERGY SERVICES, INC. · HALLIBURTON/POLSINELLI

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

17.5 mo

to disposition 22.1 mo

Statutes raised

102 103 112

1 actions read

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