USPC Class Details

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 (147) member comprises washer formed as closed loop or apertured plate or as split ring (160) closed loop having plural variations in the profile of a contact surface or a peripheral edge thereof (163) variations are teeth located along a periphery

Hierarchy/Derived subclasses

411 / 81-> 132-> 147-> 160-> 163-> 164
     -> 165

uspto searches

Patent Apps in 411/163

Granted Patents in 411/163

Use the links above or do an advanced search in ppubs for:
(411/163.ccls. or 411/164.ccls. or 411/165.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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