Application

16980671 · STEEL MATERIAL SUITABLE FOR USE IN SOUR ENVIRONMENT

Filed 2020-09-14 · Granted · Patent 11174539 (2021-11-16) The official file ↗The patent and its PDF ↗ · Art unit 1784 · Examiner John D Schneible Easy · CPC C22C 38/54 · NIPPON STEEL CORPORATION · GREER, BURNS & CRAIN, LTD

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

4.4 mo

to disposition 14.1 mo

Statutes raised

103 112 DP

2 actions read

Unlock the prosecution timelineIncluded in Pro, from $29 a month. Cancel any time.