US PATENT SUBCLASS 370 / 384
.~.~.~ Having a supervisory signaling feature

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

351  DF  PATHFINDING OR ROUTING {5}
357  DF  .~ Through a circuit switch {4}
360  DF  .~.~ Switching control {8}
384.~.~.~ Having a supervisory signaling feature {1}
385  DF  .~.~.~.~> Having a separate signaling network

DEFINITION

Classification: 370/384

Having a supervisory signaling feature:

(under subclass 360) Subject matter wherein control information is communicated between stations for switching control.

SEE OR SEARCH THIS CLASS, SUBCLASS:

496, for signaling in multiplex communications via frequency channels.

522+, for signaling in multiplex communications via time channels.