US PATENT SUBCLASS 246 / 389
.~ Swinging rail

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

382  DF  SWITCH-CONNECTED FROGS {6}
389.~ Swinging rail {2}
390  DF  .~.~> Opposed swing
391  DF  .~.~> Wing

DEFINITION

Classification: 246/389

(under subclass 382) Subject matter in which two or more rails are simultaneously swung into position.