US PATENT SUBCLASS 246 / 302
.~.~.~.~ Vertical 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}
299  DF  .~.~.~ Latch or clutch release {3}
302.~.~.~.~ Vertical motion

DEFINITION

Classification: 246/302

(under subclass 299) Subject matter having a track device

which moves the latch or clutch and which moves vertically.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200, 204, 307, 313, and 351+, for vertically-moving track devices.