Application

14251217 · METHOD AND APPARATUS FOR RETAINING A VALVE TO A CEMENT HEAD

Filed 2014-04-11 · Granted · Patent 9488032 (2016-11-08) The official file ↗The patent and its PDF ↗ · Art unit 3631 · Examiner Michael Safavi Typical · CPC E21B 41/0021 · Blackhawk Specialty Tools, LLC · TED M. ANTHONY

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

11.8 mo

to disposition 30.9 mo

Statutes raised

102 103 112

1 actions read

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