US PATENT SUBCLASS 246 / 377
.~ Pivoted rail
Current as of:
June, 1999
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246 /
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RAILWAY SWITCHES AND SIGNALS
375
DF
CONTINUOUS-RAIL CROSSING
{5}
377
.~ Pivoted rail
DEFINITION
Classification: 246/377
(under subclass 375) Subject matter having pivoted rails which are placed at the points of intersection.
SEE OR SEARCH THIS CLASS, SUBCLASS:
273, 387, 388, and 418, for pivoted-rail structure.