US PATENT SUBCLASS 246 / 326
.~.~.~ Electric control

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

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
314  DF  .~ Switches, automatic {6}
322  DF  .~.~ Track mechanism {13}
326.~.~.~ Electric control

DEFINITION

Classification: 246/326

(under subclass 322) Subject matter including switch-operating track mechanism controlled by electrical means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

300, for electric control.