USPC Class Details

Description: 60 power plants / 60 power plants/(272) internal combustion engine with treatment or handling of exhaust gas (312) pulsed, timed, tuned or resonating exhaust (313) correlated exhausts from plural cylinders

Hierarchy/Derived subclasses

60 / 272

-> 312

-> 313

uspto searches

Patent Apps in 60/313

Granted Patents in 60/313

Use the links above or do an advanced search in ppubs for:
(60/313.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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