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/(190) having structure to restrict rotation of threaded, mating pieces (e.g., nut lock) (191) structure contacts nut piece side and is fixed to the nut

Hierarchy/Derived subclasses

411 / 190	-> 191	-> 192	-> 193	-> 194
			-> 195	-> 196
		-> 197	-> 198	-> 199
			-> 200
			-> 201
		-> 202	-> 203

uspto searches

Patent Apps in 411/191

Granted Patents in 411/191

Use the links above or do an advanced search in ppubs for:
(411/191.ccls. or 411/192.ccls. or 411/193.ccls. or 411/194.ccls. or 411/195.ccls. or 411/196.ccls. or 411/197.ccls. or 411/198.ccls. or 411/199.ccls. or 411/200.ccls. or 411/201.ccls. or 411/202.ccls. or 411/203.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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