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 (10) hair device not elsewhere specified (14) (44) cutting, shaving or hair removal (16)

Hierarchy/Derived subclasses

D28 / 9-> 10-> 14-> 44-> 16-> 44.1-> 17
     -> 44.2
     -> 45-> 3-> 46-> 47-> 48
       -> 49-> 50-> 12
        -> 51
     -> 52-> 18-> 53
       -> 54

uspto searches

Patent Apps in D28/44

Granted Patents in D28/44

Advanced search in patft or appft for the hierarchy would be:
(ccl/D28/44 or ccl/D28/16 or ccl/D28/44.1 or ccl/D28/17 or ccl/D28/44.2 or ccl/D28/45 or ccl/D28/3 or ccl/D28/46 or ccl/D28/47 or ccl/D28/48 or ccl/D28/49 or ccl/D28/50 or ccl/D28/12 or ccl/D28/51 or ccl/D28/52 or ccl/D28/18 or ccl/D28/53 or ccl/D28/54)

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.