USPC Class Details

Description: 454 ventilation / 454 ventilation/(196) means combined with window (200) with air pump (208) propeller fan having rotary axis perpendicular to window

Hierarchy/Derived subclasses

454 / 196	-> 200	-> 208	-> 209
			-> 210

uspto searches

Patent Apps in 454/208

Granted Patents in 454/208

Use the links above or do an advanced search in ppubs for:
(454/208.ccls. or 454/209.ccls. or 454/210.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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