US PATENT SUBCLASS 246 / 385
.~ Swinging tongue

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

382  DF  SWITCH-CONNECTED FROGS {6}
385.~ Swinging tongue {1}
386  DF  .~.~> Stub end

DEFINITION

Classification: 246/385

(under subclass 382) Subject matter having a pivoted tongue or pointed double rail which swings between two fixed wing-rails.