US PATENT SUBCLASS 246 / 380
.~ Sliding rail

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

375  DF  CONTINUOUS-RAIL CROSSING {5}
380.~ Sliding rail {1}
381  DF  .~.~> Longitudinal

DEFINITION

Classification: 246/380

(under subclass 375) Subject matter having blocks, rails, or track-sections which slide into place.

SEE OR SEARCH THIS CLASS, SUBCLASS:

273, 392 and 430, for similar devices.