Application

18596373 · METHOD AND DEVICE FOR DETERMINING DEVELOPMENT STATUS OF SEPARATION LAYER OF COAL MINE

Filed 2024-03-05 · Granted · Patent 12091972 (2024-09-17) The official file ↗The patent and its PDF ↗ · Art unit 3672 · Examiner Michael Alan Goodwin Typical · CPC E21C 41/18 · CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING · Westbridge IP LLC

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

2.8 mo

to disposition 6.4 mo

Statutes raised

101 112

1 actions read

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