US PATENT SUBCLASS 340 / 907
TRAFFIC CONTROL INDICATOR

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

907TRAFFIC CONTROL INDICATOR {8}
908  DF  .~> Portable {1}
909  DF  .~> Plural intersections under common central station control {5}
916  DF  .~> Intersection normally under local controller {5}
928  DF  .~> Combined (e.g., toll systems, one-way)
929  DF  .~> Indication of time remaining before change of phase {1}
931  DF  .~> Traffic control or local controller failure indicator
932  DF  .~> Pacing (e.g., vehicle keeps pace with sequentially activated lights)
932.1  DF  .~> Pivoted

DEFINITION

Classification: 340/907

TRAFFIC CONTROL INDICATOR:

(under the class definition) Subject matter having means to develop and/or display right of way indications to vehicular traffic.

SEE OR SEARCH CLASS

116, Signals and Indicators,

63+, for mechanical indicators for street traffic.

246, Railway Switches and Signals, for related subclasses relating for railway signals.