Patent AnalyticsExaminers
Menu

Application

13691340 · GAS-LIFT SAFETY VALVE ACTUATED BY A SENSOR

Filed 2012-11-30 · Granted · Patent 9284825 (2016-03-15) The official file ↗The patent and its PDF ↗ · Art unit 3753 · Examiner Marina Annette Tietjen Typical · CPC E21B 43/123 · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · Gesmer Updegrove LLP

Office actions
1
first was Restriction requirement
RCEs
0
no appeal
To first action
26.8 mo
to disposition 39.5 mo
Statutes raised
103
1 actions read
Unlock the prosecution timelineIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in