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 (307) circuit includes movable contact

Hierarchy/Derived subclasses

194 / 302-> 303-> 304-> 307-> 308-> 309

uspto searches

Patent Apps in 194/307

Granted Patents in 194/307

Use the links above or do an advanced search in ppubs for:
(194/307.ccls. or 194/308.ccls. or 194/309.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.
Display:

Back