USPC Class Details – HistoricIP

Description: 297 chairs and seats / 297 chairs and seats/(16.1) collapsible chair; i.e., relatively folding bottom, back, and legs (19) with means to hold chair in plural operative configurations (24) set means interconnects front leg and rear leg (25) brace or tie interconnection (26) bottom forms or supported by tie

Hierarchy/Derived subclasses

297 / 16.1

-> 19

-> 24

-> 25

-> 26

uspto searches

Patent Apps in 297/26

Granted Patents in 297/26

Use the links above or do an advanced search in ppubs for:
(297/26.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.