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 (308) involving dissimilarities in the sectional configuration of the threads

Hierarchy/Derived subclasses

411 / 190

-> 259

-> 308

-> 309

-> 310

-> 311

uspto searches

Patent Apps in 411/308

Granted Patents in 411/308

Use the links above or do an advanced search in ppubs for:
(411/308.ccls. or 411/309.ccls. or 411/310.ccls. or 411/311.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.