USPC Class Details

Description: D19 office supplies; artists and teachers materials / d19 office supplies; artists and teachers materials/(9) credit card, certificate, or stamp (11) negotiable instrument or ticket, e.g., currency, check, etc. (2)

Hierarchy/Derived subclasses

D19 / 9-> 11-> 2

uspto searches

Patent Apps in D19/11

Granted Patents in D19/11

Advanced search in patft or appft for the hierarchy would be:
(ccl/D19/11 or ccl/D19/2)

Press the Search button below to send the query to the USPTO site. (Granted patents search)

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.