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 (123) combined with diverse article other than eraser (128) computer or calculator

Hierarchy/Derived subclasses

D19 / 101-> 115-> 123-> 128

uspto searches

Patent Apps in D19/128

Granted Patents in D19/128

Use the links above or do an advanced search in ppubs for:
(D19/128.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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