USPC Class Details

Description: D13 equipment for production, distribution, or transformation of energy / d13 equipment for production, distribution, or transformation of energy/(123) distribution, modification or control (129) insulator (7) (132) bilaterally symmetrical (9)

Hierarchy/Derived subclasses

D13 / 123-> 129-> 7-> 132-> 9

uspto searches

Patent Apps in D13/132

Granted Patents in D13/132

Use the links above or do an advanced search in ppubs for:
(D13/132.ccls. or D13/9.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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