US PATENT SUBCLASS 340 / 431
.~ For trailer

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

425.5  DF  LAND VEHICLE ALARMS OR INDICATORS {11}
431.~ For trailer

DEFINITION

Classification: 340/431

For trailer:

(under subclass 425.5) Subject matter wherein the vehicle is a trailer or a motor vehicle combined with a trailer.

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687, for condition responsive indicators which respond to the connection or disconnection of circuits of general utility.

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307, Electrical Transmission or Interconnection Systems,

10.8, for trailer lighting circuits with significant recitation of the means for coupling with the circuits of a towing vehicle.