US PATENT SUBCLASS 246 / 298
.~.~.~ Single direction

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}
298.~.~.~ Single direction

DEFINITION

Classification: 246/298

(under subclass 297) Subject matter including track devices for actuating signals and gates, operated by vehicles moving in one direction only.

SEE OR SEARCH THIS CLASS, SUBCLASS:

198, and 250, for single-direction actuation devices.