USPC Class Details

Description: 297 chairs and seats / 297 chairs and seats/(135) with table, desk, or easel (136) seat supported within periphery of apertured table (138) seat movable along table-mounted horizontal track

Hierarchy/Derived subclasses

297 / 135

-> 136

-> 138

uspto searches

Patent Apps in 297/138

Granted Patents in 297/138

Use the links above or do an advanced search in ppubs for:
(297/138.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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