USPC Class Details

Description: 307 electrical transmission or interconnection systems / 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (64) substitute or emergency source

Hierarchy/Derived subclasses

307 / 43	-> 64	-> 65
		-> 66	-> 67
		-> 68

uspto searches

Patent Apps in 307/64

Granted Patents in 307/64

Use the links above or do an advanced search in ppubs for:
(307/64.ccls. or 307/65.ccls. or 307/66.ccls. or 307/67.ccls. or 307/68.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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