USPC Class Details

Description: D19 office supplies; artists and teachers materials / d19 office supplies; artists and teachers materials/(101) equipment for writing, drawing, or for fine arts (192) element

Hierarchy/Derived subclasses

D19 / 101-> 192-> 193
  -> 194-> 195
  -> 196-> 197
  -> 198
  -> 199
  -> 200
  -> 201

uspto searches

Patent Apps in D19/192

Granted Patents in D19/192

Advanced search in patft or appft for the hierarchy would be:
(ccl/D19/192 or ccl/D19/193 or ccl/D19/194 or ccl/D19/195 or ccl/D19/196 or ccl/D19/197 or ccl/D19/198 or ccl/D19/199 or ccl/D19/200 or ccl/D19/201)

Press the Search button below to send the query to the USPTO site. (Granted patents search)

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.