USPC Class Details

Description: 297 chairs and seats / 297 chairs and seats/(16.1) collapsible chair; i.e., relatively folding bottom, back, and legs (55) relatively collapsible bottom, rear legs, and integral back and front legs (56) crossed legs (57) bottom detachably or slidably connected to back

Hierarchy/Derived subclasses

297 / 16.1

-> 55

-> 56

-> 57

uspto searches

Patent Apps in 297/57

Granted Patents in 297/57

Use the links above or do an advanced search in ppubs for:
(297/57.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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