Application
17241152 · MINE SAFETY DUST AND METHOD OF PRODUCTION
Filed 2021-04-27 · Granted · Patent 11359491 (2022-06-14) The official file ↗The patent and its PDF ↗ · Art unit 1764 · Examiner Joseph David Anthony Easy · CPC E21F 5/12 · E. Dillon & Company · Ron Sakach
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
9.1 mo
to disposition 13.6 mo
Statutes raised
102 103 112 DP
1 actions read