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13524631 · METHODS AND SYSTEMS FOR DRILLING BOREHOLES

Filed 2012-06-15 · Granted · Patent 8261856 (2012-09-11) The official file ↗The patent and its PDF ↗ · Art unit 3676 · Examiner Tamatane J Aga · CPC E21B 7/00 · FLANDERS ELECTRIC MOTOR SERVICE, LLC · Lathrop GPM LLP

Office actions
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first was Notice of allowance
RCEs
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no appeal
To first action
1.8 mo
to disposition 2.9 mo
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