Application
14305099 · Frac Valve With Ported Sleeve
Filed 2014-06-16 · Granted · Patent 9051810 (2015-06-09) The official file ↗The patent and its PDF ↗ · Art unit 3672 · Examiner Richard K Alker Typical · CPC E21B 34/066 · EirCan Downhole Technologies, LLC · KEITH B. WILLHELM
Office actions
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first was Notice of allowance
RCEs
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no appeal
To first action
10.0 mo
to disposition 11.8 mo
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