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 (320) having magnetic field acting on check (321) and scavenger mechanism

Hierarchy/Derived subclasses

194 / 302	-> 303	-> 320	-> 321	-> 322
				-> 323

uspto searches

Patent Apps in 194/321

Granted Patents in 194/321

Use the links above or do an advanced search in ppubs for:
(194/321.ccls. or 194/322.ccls. or 194/323.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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