US PATENT SUBCLASS 246 / 438
.~.~ Point and mate

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

415 R  DF  SWITCHES {21}
435 R  DF  .~ Point {8}
438.~.~ Point and mate

DEFINITION

Classification: 246/438

(under subclass 435) Subject matter having a switch with a fixed frog or switch mate in one rail and a moving point in the other.