Description: 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener / 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener/(190) having structure to restrict rotation of threaded, mating pieces (e.g., nut lock) (204) structure is coaxial, distinct member (e.g., washer, key, or nut portion) that restricts nut piece (246) by thread-gripping locking element (254) gripping member is moved radially into engagement with the threads (255) including discrete means to move or to lock the gripping member relative to the externally threaded element
Hierarchy/Derived subclasses
uspto searches
Patent Apps in 411/255
Granted Patents in 411/255
Use the links above or do an advanced search in
ppubs for:
(411/255.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.