US PATENT SUBCLASS 246 / 447
.~.~ Anti-creep or jar

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

415 R  DF  SWITCHES {21}
445  DF  .~ Stub {2}
447.~.~ Anti-creep or jar

DEFINITION

Classification: 246/447

(under subclass 445) Subject matter having stub switches provided with devices for preventing the creeping of the switch or the jar of wheels passing over gaps at the stub ends of the switch-rails.