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

Hierarchy/Derived subclasses

297 / 135-> 136-> 137
  -> 138

uspto searches

Patent Apps in 297/136

Granted Patents in 297/136

Use the links above or do an advanced search in ppubs for:
(297/136.ccls. or 297/137.ccls. or 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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