USPC Class Details

Description: 63 jewelry / 63 jewelry/(21) watch or chain attachment (23) charm

Hierarchy/Derived subclasses

63 / 21-> 23

uspto searches

Patent Apps in 63/23

Granted Patents in 63/23

Use the links above or do an advanced search in ppubs for:
(63/23.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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