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 (115) marking or writing instrument (170) including a clip only

Hierarchy/Derived subclasses

D19 / 101-> 115-> 170-> 171-> 172
    -> 173
    -> 174
   -> 175
   -> 176

uspto searches

Patent Apps in D19/170

Granted Patents in D19/170

Use the links above or do an advanced search in ppubs for:
(D19/170.ccls. or D19/171.ccls. or D19/172.ccls. or D19/173.ccls. or D19/174.ccls. or D19/175.ccls. or D19/176.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