Application

12445850 · DOWN-THE-HOLE HAMMER DRILL

Filed 2009-04-16 · Granted · Patent 8109348 (2012-02-07) The official file ↗The patent and its PDF ↗ · Art unit 3674 · Examiner Kelly E Shaw · CPC E21B 10/36 · DRILLROC PNEUMATIC PTY LTD · SHOEMAKER AND MATTARE, LTD

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

22.8 mo

to disposition 33.7 mo

Statutes raised

103 112

1 actions read

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