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 (137) simulative (139) animate

Hierarchy/Derived subclasses

D19 / 101	-> 115	-> 137	-> 139	-> 140	-> 141
				-> 142

uspto searches

Patent Apps in D19/139

Granted Patents in D19/139

Use the links above or do an advanced search in ppubs for:
(D19/139.ccls. or D19/140.ccls. or D19/141.ccls. or D19/142.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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