US PATENT SUBCLASS 246 / 440
.~.~ Three throw

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

415 R  DF  SWITCHES {21}
435 R  DF  .~ Point {8}
440.~.~ Three throw

DEFINITION

Classification: 246/440

(under subclass 435) Subject matter having a point switch for passing to one of three different tracks.

SEE OR SEARCH THIS CLASS, SUBCLASS:

329, and 403, for three throw switches.