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 (179) barrel has straight central axis in side view

Hierarchy/Derived subclasses

D19 / 101	-> 115	-> 179	-> 180
			-> 181
			-> 182
			-> 183
			-> 184
			-> 185
			-> 186

uspto searches

Patent Apps in D19/179

Granted Patents in D19/179

Use the links above or do an advanced search in ppubs for:
(D19/179.ccls. or D19/180.ccls. or D19/181.ccls. or D19/182.ccls. or D19/183.ccls. or D19/184.ccls. or D19/185.ccls. or D19/186.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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