US PATENT SUBCLASS 246 / 482
.~.~ Arms

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

473 R  DF  SIGNALS {12}
479  DF  .~ Semaphore {5}
482.~.~ Arms {1}
483  DF  .~.~.~> Illuminated

DEFINITION

Classification: 246/482

(under subclass 479) Subject matter having semaphores in which the novelty resides in the arm or blade or in its mode of mounting.