USPC Class Details

Description: 194 check-actuated control mechanisms / 194 check-actuated control mechanisms/(215) including value accumulator for plural checks (219) and electric circuit with switch operated by check (220) accumulator includes electric circuit having stepper switch

Hierarchy/Derived subclasses

194 / 215	-> 219	-> 220	-> 221
			-> 222

uspto searches

Patent Apps in 194/220

Granted Patents in 194/220

Use the links above or do an advanced search in ppubs for:
(194/220.ccls. or 194/221.ccls. or 194/222.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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