USPC Class Details

Description: 60 power plants / 60 power plants/(272) internal combustion engine with treatment or handling of exhaust gas (282) by means producing a chemical reaction of a component of the exhaust gas (299) using a catalyst

Hierarchy/Derived subclasses

60 / 272	-> 282	-> 299	-> 300
			-> 301
			-> 302

uspto searches

Patent Apps in 60/299

Granted Patents in 60/299

Use the links above or do an advanced search in ppubs for:
(60/299.ccls. or 60/300.ccls. or 60/301.ccls. or 60/302.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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