USPC Class Details – HistoricIP

Description: 477 interrelated power delivery controls, including engine control / 477 interrelated power delivery controls, including engine control/(903) control signal is steering

Hierarchy/Derived subclasses

477 / 903

uspto searches

Patent Apps in 477/903

Granted Patents in 477/903

Use the links above or do an advanced search in ppubs for:
(477/903.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.