US PATENT SUBCLASS 246 / 187 B-- .~.~.~ Non-mechanical control of vehicles from wayside

US PATENT SUBCLASS 246 / 187 B
.~.~.~ Non-mechanical control of vehicles from wayside

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

167 R	DF	CAB SIGNAL OR TRAIN CONTROL {20}
186	DF	.~ Motive-power control {2}
187 R	DF	.~.~ Electric {3}
187 B		.~.~.~ Non-mechanical control of vehicles from wayside

Unofficial Alpha Subclasses: R A B C

DEFINITION

Classification: 246/187

(under subclass 186) Subject matter having electric means for controlling the motive power.

SEE OR SEARCH THIS CLASS, SUBCLASS:

167, and all subclasses mentioned in the search notes appended thereto, for cab and control features.

218, and appropriate indented subclasses for electric-motor

means for actuating switches or signals.

SEE OR SEARCH CLASS

104, Railways, 295+, for external control of vehicle-carried propulsion means wherein a peculiar type of guideway is claimed (e.g., cable, model, overhead, etc.).