USPC Class Details

Description: 236 automatic temperature and humidity regulation / 236 automatic temperature and humidity regulation/(12.1) mixing fluid of dissimilar temperature (12.16) having oscillating or reciprocating valve (12.21) axially spaced flow control faces

Hierarchy/Derived subclasses

236 / 12.1

-> 12.16

-> 12.21

-> 12.22

uspto searches

Patent Apps in 236/12.21

Granted Patents in 236/12.21

Use the links above or do an advanced search in ppubs for:
(236/12.21.ccls. or 236/12.22.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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