Application

18002657 · APPARATUS AND METHOD FOR SIGNALLING BETWEEN DOWNHOLE AND UPHOLE LOCATIONS

Filed 2022-12-20 · Granted · Patent 12421849 (2025-09-23) The official file ↗The patent and its PDF ↗ · Art unit 2687 · Examiner Franklin D Balseca Hard · CPC E21B 47/24 · REEVES WIRELINE TECHNOLOGIES LIMITED · WEATHERFORD INTERNATIONAL INC.

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

16.1 mo

to disposition 33.1 mo

Statutes raised

102 103 112

2 actions read

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