Description: 342 / (20) With Signal Or Energy Processing (23) For Motive Power (29) For Electric Drive (34) Vehicle Propelling or Driving (34.3) With Braking

Hierarchy/Derived subclasses

342 / 20

-> 23

-> 29

-> 34

-> 34.3

-> 34.31

CIPO searches

search just 342/34.3

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The "search hierarchy!" link will execute this search:
((342/34.3 <IN> CPC) <OR> (342/34.31 <IN> CPC))

This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.

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