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 (136) member comprises looplike element (e.g., washer) interlocked with additional element, one of them engaging substructure or surface in other than planar, face to face contact (138) pawl element, movably carried by looplike element, coacts with ratchet on surface

Hierarchy/Derived subclasses

411 / 81-> 132-> 136-> 138

uspto searches

Patent Apps in 411/138

Granted Patents in 411/138

Use the links above or do an advanced search in ppubs for:
(411/138.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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