US PATENT SUBCLASS 340 / 930
.~.~ Electromechanical movable auxiliary indicator

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

907  DF  TRAFFIC CONTROL INDICATOR {8}
929  DF  .~ Indication of time remaining before change of phase {1}
930.~.~ Electromechanical movable auxiliary indicator

DEFINITION

Classification: 340/930

Electromechanical movable auxiliary indicator:

(under subclass 929) Subject matter wherein the auxiliary indicator changes position thereby indicating the upcoming change in traffic control indicator phase.

SEE OR SEARCH THIS CLASS, SUBCLASS:

929, where the auxiliary indicator is different lights actuated in sequence.