USPC Class Details

Description: 322 electricity: single generator systems / 322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance

Hierarchy/Derived subclasses

322 / 44	-> 59	-> 75	-> 80	-> 81
				-> 82
				-> 83	-> 84
					-> 85

uspto searches

Patent Apps in 322/80

Granted Patents in 322/80

Use the links above or do an advanced search in ppubs for:
(322/80.ccls. or 322/81.ccls. or 322/82.ccls. or 322/83.ccls. or 322/84.ccls. or 322/85.ccls.)

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.

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