USPC Class Details

Description: 310 electrical generator or motor structure / 310 electrical generator or motor structure/(10) dynamoelectric (40r) rotary (127) plural collector-type machines (136) plural commutator type (137) double current d. c. machines (139) hetero-axial excitation

Hierarchy/Derived subclasses

310 / 10

-> 40r

-> 127

-> 136

-> 137

-> 139

uspto searches

Patent Apps in 310/139

Granted Patents in 310/139

Use the links above or do an advanced search in ppubs for:
(310/139.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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