US PATENT SUBCLASS 246 / 187 R
.~.~ Electric

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.~.~ Electric {3}
187 A  DF  .~.~.~> Remote control
187 B  DF  .~.~.~> Non-mechanical control of vehicles from wayside
187 C  DF  .~.~.~> Control of vehicle from leading vehicle

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.).