Application

17549925 · SELF-RESETTING SINGLE-VALVE HYDRAULIC DRIVE DEVICE AND METHOD BASED ON PRIMARY AND SECONDARY PISTONS FOR PUSH ROD ENGINE

Filed 2021-12-14 · Granted · Patent 11377981 (2022-07-05) The official file ↗The patent and its PDF ↗ · Art unit 3746 · Examiner Zelalem Eshete Easy · CPC F01L 1/182 · JIANGSU JOINTEK PRECISION MACHINERY CO., LTD · Bayramoglu Law Offices LLC

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

3.4 mo

to disposition 6.7 mo

Statutes raised

0 actions read

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