USPC Class Details – HistoricIP

Description: 338 electrical resistors / 338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable

Hierarchy/Derived subclasses

338 / 68	-> 118	-> 160	-> 162	-> 163
				-> 164
				-> 165
				-> 166
				-> 167
				-> 168
				-> 169
				-> 170
				-> 171
				-> 172	-> 173
				-> 174	-> 175

uspto searches

Patent Apps in 338/162

Granted Patents in 338/162

Use the links above or do an advanced search in ppubs for:
(338/162.ccls. or 338/163.ccls. or 338/164.ccls. or 338/165.ccls. or 338/166.ccls. or 338/167.ccls. or 338/168.ccls. or 338/169.ccls. or 338/170.ccls. or 338/171.ccls. or 338/172.ccls. or 338/173.ccls. or 338/174.ccls. or 338/175.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.