US PATENT SUBCLASS 340 / 468
.~ External signal light system

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

425.5  DF  LAND VEHICLE ALARMS OR INDICATORS {11}
468.~ External signal light system {6}
469  DF  .~.~> With two or more intensity levels (e.g., day or night)
470  DF  .~.~> Pass - no pass
471  DF  .~.~> Hazard warning or distress signalling {2}
474  DF  .~.~> With audible signal
475  DF  .~.~> Turn signal {2}
479  DF  .~.~> Brake light

DEFINITION

Classification: 340/468

External signal light system:

(under subclass 425.5) Subject matter wherein the alarm or indicator is a manually actuated signal light system which communicates with persons outside the vehicle (e.g., other drivers, pedestrians).

(1) Note. Systems must be manually actuated but may be automatically deactuated.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems, appropriate subclasses for signal light systems of general utility.