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) (39) hair fastener, e.g., bobby pin, clip, etc.

Hierarchy/Derived subclasses

D28 / 9-> 10-> 14-> 39-> 40
    -> 41-> 42-> 43

uspto searches

Patent Apps in D28/39

Granted Patents in D28/39

Advanced search in patft or appft for the hierarchy would be:
(ccl/D28/39 or ccl/D28/40 or ccl/D28/41 or ccl/D28/42 or ccl/D28/43)

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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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