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 (143) contact moves along turns of helical resistance element (148) with helical screw for moving the contact

Hierarchy/Derived subclasses

338 / 68

-> 118

-> 143

-> 148

uspto searches

Patent Apps in 338/148

Granted Patents in 338/148

Use the links above or do an advanced search in ppubs for:
(338/148.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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