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) (20) washing, dyeing or fluid treatment (4)

Hierarchy/Derived subclasses

D28 / 9-> 10-> 14-> 20-> 4

uspto searches

Patent Apps in D28/20

Granted Patents in D28/20

Use the links above or do an advanced search in ppubs for:
(D28/20.ccls. or D28/4.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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