USPC Class Details

Description: 126 stoves and furnaces / 126 stoves and furnaces/(500) fireplaces or accessories (540) grate structure

Hierarchy/Derived subclasses

126 / 500-> 540-> 541-> 542-> 543

uspto searches

Patent Apps in 126/540

Granted Patents in 126/540

Use the links above or do an advanced search in ppubs for:
(126/540.ccls. or 126/541.ccls. or 126/542.ccls. or 126/543.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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