USPC Class Details – HistoricIP

Description: 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener / 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener/(81) threaded fastener locked to a discreet structure (e.g., plate, rail, wheel) (116) fastener, or coaxial adjunct therefor, having sidewardly facing flat or formation engaged by portion of member (e.g., side lock) (129) member engages inwardly facing surface of bolt head or nut

Hierarchy/Derived subclasses

411 / 81	-> 116	-> 129	-> 130
			-> 131

uspto searches

Patent Apps in 411/129

Granted Patents in 411/129

Use the links above or do an advanced search in ppubs for:
(411/129.ccls. or 411/130.ccls. or 411/131.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.