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 (304) having electric circuit completed by check

Hierarchy/Derived subclasses

194 / 302	-> 303	-> 304	-> 305
			-> 306
			-> 307	-> 308	-> 309
			-> 310	-> 311
			-> 312	-> 313	-> 314
			-> 315
			-> 316

uspto searches

Patent Apps in 194/304

Granted Patents in 194/304

Use the links above or do an advanced search in ppubs for:
(194/304.ccls. or 194/305.ccls. or 194/306.ccls. or 194/307.ccls. or 194/308.ccls. or 194/309.ccls. or 194/310.ccls. or 194/311.ccls. or 194/312.ccls. or 194/313.ccls. or 194/314.ccls. or 194/315.ccls. or 194/316.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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