US PATENT SUBCLASS 246 / 311
.~.~.~ Longitudinal motion

Current as of: June, 1999
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246 /   HD   RAILWAY SWITCHES AND SIGNALS

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
292  DF  .~ Signals and gates, automatic {2}
297  DF  .~.~ Track mechanism {7}
311.~.~.~ Longitudinal motion {1}
312  DF  .~.~.~.~> Rectilinear

DEFINITION

Classification: 246/311

(under subclass 297) Subject matter having track devices which move longitudinally in the direction of the traffic.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301, 306, 312, and 336+, for similar track mechanism.