US PATENT SUBCLASS 246 / 206
.~.~ Fixed

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

167 R  DF  CAB SIGNAL OR TRAIN CONTROL {20}
201  DF  .~ Track trips {6}
206.~.~ Fixed

DEFINITION

Classification: 246/206

(under subclass 201) Track-trips having no moving parts and permanently fixed in operative position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182, for fixed track-trips in speed-control systems.