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) (182) frequency (e.g., audio, radio) (184) specific frequency responsive relay

Hierarchy/Derived subclasses

361 / 139-> 160-> 170-> 182-> 184

uspto searches

Patent Apps in 361/184

Granted Patents in 361/184

Use the links above or do an advanced search in ppubs for:
(361/184.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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