USPC Class Details

Description: D28 cosmetic products and toilet articles / d28 cosmetic products and toilet articles/(9) toilet articles and beauty parlor equipment not elsewhere specified (73) holder not elsewhere specified (19) (76) cosmetic product (3) (85) lipstick (88) circular in cross section

Hierarchy/Derived subclasses

D28 / 9-> 73-> 19-> 76-> 3-> 85-> 88-> 89
       -> 90

uspto searches

Patent Apps in D28/88

Granted Patents in D28/88

Advanced search in patft or appft for the hierarchy would be:
(ccl/D28/88 or ccl/D28/89 or ccl/D28/90)

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.