USPC Class Details – HistoricIP

Description: 49 movable or removable closures / 49 movable or removable closures/(208) mounted for multidirectional or oblique movement (246) swings on plural axes; e.g., pivotal link arms (250) with additional slide guiding closure movement

Hierarchy/Derived subclasses

49 / 208	-> 246	-> 250	-> 251
			-> 252

uspto searches

Patent Apps in 49/250

Granted Patents in 49/250

Use the links above or do an advanced search in ppubs for:
(49/250.ccls. or 49/251.ccls. or 49/252.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.