Application

13361729 · METHOD AND SYSTEM FOR SURFACE FILTERING OF SOLIDS FROM RETURN FLUIDS IN WELL OPERATIONS

Filed 2012-01-30 · Granted · Patent 8439112 (2013-05-14) The official file ↗The patent and its PDF ↗ · Art unit 1778 · Examiner Paul J Durand Typical · CPC E21B 21/065 · BRONCO OILFIELD SERVICES, INC. · Mary M. Lee

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

1.7 mo

to disposition 15.4 mo

Statutes raised

103 112

1 actions read

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