US PATENT SUBCLASS 246 / 434
.~ Flexible rail

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

415 R  DF  SWITCHES {21}
434.~ Flexible rail

DEFINITION

Classification: 246/434

(under subclass 415) Subject matter having a switch in which one or both of the main-line rails are sprung laterally, often against a fixed point-rail.