USPC Class Details – HistoricIP

Description: 16 miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.) / 16 miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.)/(110.1) handle, handle component, or handle adjunct (422) detachable handle

Hierarchy/Derived subclasses

16 / 110.1	-> 422	-> 423
		-> 424
		-> 425
		-> 426
		-> 427
		-> 428

uspto searches

Patent Apps in 16/422

Granted Patents in 16/422

Use the links above or do an advanced search in ppubs for:
(16/422.ccls. or 16/423.ccls. or 16/424.ccls. or 16/425.ccls. or 16/426.ccls. or 16/427.ccls. or 16/428.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.