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 (163) including a cap (164) cap or barrel includes clip (165) short cap over tip only

Hierarchy/Derived subclasses

D19 / 101

-> 115

-> 163

-> 164

-> 165

-> 166

uspto searches

Patent Apps in D19/165

Granted Patents in D19/165

Use the links above or do an advanced search in ppubs for:
(D19/165.ccls. or D19/166.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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