USPC Class Details

Description: D8 tools and hardware / d8 tools and hardware/(14) other tools and implements (90) abrading (91) sharpener (92) razor or razor blade

Hierarchy/Derived subclasses

D8 / 14-> 90-> 91-> 92

uspto searches

Patent Apps in D8/92

Granted Patents in D8/92

Use the links above or do an advanced search in ppubs for:
(D8/92.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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