US PATENT SUBCLASS 246 / 394
.~ Cab signal or train control


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

393  DF  SWITCH STANDS {8}
394.~ Cab signal or train control


DEFINITION

Classification: 246/394

(under subclass 393) Subject matter having switch stands equipped with mechanism for actuating cab signal or train-control mechanism on approaching train when the switch is open.

SEE OR SEARCH THIS CLASS, SUBCLASS:

115, 117, 119, 120, and 167, and appropriate indented subclasses, and all subclasses referred to in the search notes appended thereto.