USPC Class Details

Description: 297 chairs and seats / 297 chairs and seats/(180.1) with heat exchanger or means to provide fluid or vapor treatment (180.12) electric heating element

Hierarchy/Derived subclasses

297 / 180.1

-> 180.12

uspto searches

Patent Apps in 297/180.12

Granted Patents in 297/180.12

Use the links above or do an advanced search in ppubs for:
(297/180.12.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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