USPC Class Details

Description: 60 power plants / 60 power plants/(39.01) combustion products used as motive fluid (39.37) plural combustion products generators in ring coaxial with turbine (39.38) intermittent combustion type

Hierarchy/Derived subclasses

60 / 39.01	-> 39.37	-> 39.38	-> 39.39
			-> 39.4

uspto searches

Patent Apps in 60/39.38

Granted Patents in 60/39.38

Use the links above or do an advanced search in ppubs for:
(60/39.38.ccls. or 60/39.39.ccls. or 60/39.4.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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