US PATENT SUBCLASS 342 / 456
.~.~.~ Having traffic control

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

350  DF  DIRECTIVE {10}
450  DF  .~ Position indicating (e.g., triangulation) {11}
454  DF  .~.~ Traffic {2}
456.~.~.~ Having traffic control

DEFINITION

Classification: 342/456

Having traffic control:

(under subclass 454) Subject matter including means to regulate the positions of the vehicles or objects.

(1) Note. For example, air-traffic control would provide for the safe, orderly and expeditious flow of aircraft to an from the airspace around an airport.

SEE OR SEARCH CLASS

340, Communications: Electrical,

22+, for traffic and vehicle control systems having an indicator.

701, Data Processing: Vehicles, Navigation, and Relative Location,

1+, for computerized systems to control vehicles.