USPC Class Details

Description: 454 ventilation / 454 ventilation/(196) means combined with window (200) with air pump (206) with specific noise inhibiting structure

Hierarchy/Derived subclasses

454 / 196-> 200-> 206

uspto searches

Patent Apps in 454/206

Granted Patents in 454/206

Use the links above or do an advanced search in ppubs for:
(454/206.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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