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) (166) design of fastener or substructure restricts rotation (e.g., flattened head rotatable in receiving slot, depression in substructure, bolt clipped to substructure)

Hierarchy/Derived subclasses

411 / 81-> 166-> 167
  -> 168
  -> 169
  -> 170
  -> 171

uspto searches

Patent Apps in 411/166

Granted Patents in 411/166

Use the links above or do an advanced search in ppubs for:
(411/166.ccls. or 411/167.ccls. or 411/168.ccls. or 411/169.ccls. or 411/170.ccls. or 411/171.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.
Display:

Back