USPC Class Details

Description: 194 check-actuated control mechanisms / 194 check-actuated control mechanisms/(239) including electric circuit with switch operated by check (240) and holding circuit responsive to operation of switch (241) controlled by timer

Hierarchy/Derived subclasses

194 / 239

-> 240

-> 241

-> 242

uspto searches

Patent Apps in 194/241

Granted Patents in 194/241

Use the links above or do an advanced search in ppubs for:
(194/241.ccls. or 194/242.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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