USPC Class Details

Description: 454 ventilation / 454 ventilation/(49) workstation ventilator (e.g., hood, offtake, etc.) (50) spray booth (51) having air inlet separate from access opening

Hierarchy/Derived subclasses

454 / 49-> 50-> 51-> 52

uspto searches

Patent Apps in 454/51

Granted Patents in 454/51

Use the links above or do an advanced search in ppubs for:
(454/51.ccls. or 454/52.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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