Application

13083190 · VARIABLE THICKNESS INSULATED CONDUCTORS

Filed 2011-04-08 · Granted · Patent 8485256 (2013-07-16) The official file ↗The patent and its PDF ↗ · Art unit 3676 · Examiner Blake E Michener Typical · CPC E21B 36/04 · SHELL OIL COMPANY · Del S. Christensen

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

23.5 mo

to disposition 27.3 mo

Statutes raised

0 actions read

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