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15834396 · SUBMERSIBLE DRONE HAVING ACTIVE BALLAST SYSTEM

Filed 2017-12-07 · Granted · Patent 10583905 (2020-03-10) The official file ↗The patent and its PDF ↗ · Art unit 3617 · Examiner Daniel V Venne Hard · CPC B63G 8/22 · ABB Schweiz AG · Sage Patent Group/Hitachi Energy Ltd

Office actions
3
first was Restriction requirement
RCEs
0
no appeal
To first action
8.7 mo
to disposition 27.1 mo
Statutes raised
102 103 112
3 actions read
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