US PATENT SUBCLASS 246 / 426
.~.~ Modified wheel

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

415 R  DF  SWITCHES {21}
424  DF  .~ Facing, selective {2}
426.~.~ Modified wheel

DEFINITION

Classification: 246/426

(under subclass 424) Subject matter having a switch in which

wheels of special construction (as, for example, when provided with extra flanges) determine the direction which the car is to take.