USPC Class Details

Description: 338 electrical resistors / 338 electrical resistors/(68) mechanically variable (e.g., rheostat) (87) contact adjustably inserted into resistance element (e.g., penetrating type) (88) powdered element

Hierarchy/Derived subclasses

338 / 68

-> 87

-> 88

uspto searches

Patent Apps in 338/88

Granted Patents in 338/88

Use the links above or do an advanced search in ppubs for:
(338/88.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