US PATENT SUBCLASS 246 / 390
.~.~ Opposed swing

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

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

DEFINITION

Classification: 246/390

(under subclass 389) Subject matter in which two or more moving stub-rails swing, with reverse motion, into connection with each other.