USPC Class Details

Description: 236 automatic temperature and humidity regulation / 236 automatic temperature and humidity regulation/(20r) closed fluid heaters (26r) pressure-operated (26e) pressure responsive means controls oil burner

Hierarchy/Derived subclasses

236 / 20r-> 26r-> 26e

uspto searches

Patent Apps in 236/26e

Granted Patents in 236/26e

Use the links above or do an advanced search in ppubs for:
(236/26e.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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