USPC Class Details

Description: 338 electrical resistors / 338 electrical resistors/(68) mechanically variable (e.g., rheostat) (70) in or on lamp socket

Hierarchy/Derived subclasses

338 / 68-> 70-> 71
  -> 72
  -> 73
  -> 74

uspto searches

Patent Apps in 338/70

Granted Patents in 338/70

Use the links above or do an advanced search in ppubs for:
(338/70.ccls. or 338/71.ccls. or 338/72.ccls. or 338/73.ccls. or 338/74.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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