USPC Class Details

Description: 297 chairs and seats / 297 chairs and seats/(16.1) collapsible chair; i.e., relatively folding bottom, back, and legs (51) back and legs collapse independently

Hierarchy/Derived subclasses

297 / 16.1	-> 51	-> 52
		-> 53	-> 54

uspto searches

Patent Apps in 297/51

Granted Patents in 297/51

Use the links above or do an advanced search in ppubs for:
(297/51.ccls. or 297/52.ccls. or 297/53.ccls. or 297/54.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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