USPC Class Details

Description: 322 electricity: single generator systems / 322 electricity: single generator systems/(10) with physical starting and/or stopping of the generator (12) connecting and/or disconnecting generator and driving means

Hierarchy/Derived subclasses

322 / 10-> 12

uspto searches

Patent Apps in 322/12

Granted Patents in 322/12

Advanced search in patft or appft for the hierarchy would be:

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This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.