Application

16166174 · METHOD OF DRILLING A SUBTERRANEAN BOREHOLE

Filed 2018-10-22 · Granted · Patent 11035184 (2021-06-15) The official file ↗The patent and its PDF ↗ · Art unit 3676 · Examiner Christopher J Sebesta Typical · CPC E21B 21/08 · MANAGED PRESSURE OPERATIONS PTE. LTD. · THOT PATENT

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

21.5 mo

to disposition 31.8 mo

Statutes raised

103

2 actions read

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