USPC Class Details

Description: 60 power plants / 60 power plants/(597) fluid motor means driven by waste heat or by exhaust energy from internal combustion engine (620) fluid motor means is expansible chamber type with movable parts of motor and engine being interconnected (622) expansible chamber of fluid motor means receives exhaust alternately from two or more expansible chambers of engine means

Hierarchy/Derived subclasses

60 / 597-> 620-> 622

uspto searches

Patent Apps in 60/622

Granted Patents in 60/622

Use the links above or do an advanced search in ppubs for:
(60/622.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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