USPC Class Details

Description: 361 electricity: electrical systems and devices / 361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (179) proximity or contact

Hierarchy/Derived subclasses

361 / 139	-> 160	-> 170	-> 179	-> 180
				-> 181

uspto searches

Patent Apps in 361/179

Granted Patents in 361/179

Use the links above or do an advanced search in ppubs for:
(361/179.ccls. or 361/180.ccls. or 361/181.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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