USPC Class Details

Description: 338 electrical resistors / 338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (129) sequentially operated

Hierarchy/Derived subclasses

338 / 68

-> 118

-> 128

-> 129

uspto searches

Patent Apps in 338/129

Granted Patents in 338/129

Use the links above or do an advanced search in ppubs for:
(338/129.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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