Application

13355606 · Extrusion Process For Proppant Production

Filed 2012-01-23 · Granted · Patent 9227874 (2016-01-05) The official file ↗The patent and its PDF ↗ · Art unit 1768 · Examiner John J Figueroa Easy · CPC B28B 3/14 · OXANE MATERIALS, INC. · IP Practice Group - Legal Dept

Office actions

first was Restriction requirement

RCEs

no appeal

To first action

33.9 mo

to disposition 47.4 mo

Statutes raised

103

1 actions read

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