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) (132) member or portion thereof located between substructure and inwardly facing surface of bolt head or nut (143) formations on either member or surface, and cooperative, restricting means on the other

Hierarchy/Derived subclasses

411 / 81	-> 132	-> 143	-> 144	-> 145
				-> 146

uspto searches

Patent Apps in 411/143

Granted Patents in 411/143

Use the links above or do an advanced search in ppubs for:
(411/143.ccls. or 411/144.ccls. or 411/145.ccls. or 411/146.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.