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/(15) having separate expander means (44) including sleeve and distinct tapered expander (e.g., anchor bolt type) (49) relative rotation preventing means

Hierarchy/Derived subclasses

411 / 15	-> 44	-> 49	-> 50	-> 51
				-> 52
				-> 53

uspto searches

Patent Apps in 411/49

Granted Patents in 411/49

Use the links above or do an advanced search in ppubs for:
(411/49.ccls. or 411/50.ccls. or 411/51.ccls. or 411/52.ccls. or 411/53.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.