Application
14370671 · PIPE IN PIPE DOWNHOLE ELECTRIC HEATER
Filed 2014-07-03 · Granted · Patent 11174706 (2021-11-16) The official file ↗The patent and its PDF ↗ · Art unit 3761 · Examiner Ayub A Maye Hard · CPC E21B 36/04 · HALLIBURTON ENERGY SERVICES, INC. · Baker Botts L.L.P.
Office actions
8
first was Non-final rejection
RCEs
3
appealed
To first action
34.9 mo
to disposition 88.5 mo
Statutes raised
102 103 112
8 actions read