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/(190) having structure to restrict rotation of threaded, mating pieces (e.g., nut lock) (259) comprising a thread lock (305) externally threaded element adapted to be compressed radially inwardly

Hierarchy/Derived subclasses

411 / 190

-> 259

-> 305

-> 306

uspto searches

Patent Apps in 411/305

Granted Patents in 411/305

Use the links above or do an advanced search in ppubs for:
(411/305.ccls. or 411/306.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.