USPC Class Details

Description: D28 cosmetic products and toilet articles / d28 cosmetic products and toilet articles/(92) wig or hairpiece

Hierarchy/Derived subclasses

D28 / 92-> 93

uspto searches

Patent Apps in D28/92

Granted Patents in D28/92

Advanced search in patft or appft for the hierarchy would be:
(ccl/D28/92 or ccl/D28/93)

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.