USPC Class Details

Description: 477 interrelated power delivery controls, including engine control / 477 interrelated power delivery controls, including engine control/(34) transmission control (52) including fluid drive (53) impeller-turbine-type (55) with countershaft gearing (56) and turbine shaft brake

Hierarchy/Derived subclasses

477 / 34

-> 52

-> 53

-> 55

-> 56

uspto searches

Patent Apps in 477/56

Granted Patents in 477/56

Use the links above or do an advanced search in ppubs for:
(477/56.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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