USPC Class Details

Description: 318 electricity: motive power systems / 318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (92) control of both armature (or primary) and field (or secondary) circuits

Hierarchy/Derived subclasses

318 / 34-> 90-> 92-> 93

uspto searches

Patent Apps in 318/92

Granted Patents in 318/92

Use the links above or do an advanced search in ppubs for:
(318/92.ccls. or 318/93.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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