USPC Class Details

Description: 194 check-actuated control mechanisms / 194 check-actuated control mechanisms/(302) including means to test validity of check (303) by testing material composition (317) having electric circuit influenced by check

Hierarchy/Derived subclasses

194 / 302	-> 303	-> 317	-> 318
			-> 319

uspto searches

Patent Apps in 194/317

Granted Patents in 194/317

Use the links above or do an advanced search in ppubs for:
(194/317.ccls. or 194/318.ccls. or 194/319.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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