US PATENT SUBCLASS 246 / 408
.~.~ Depressed mechanism

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

393  DF  SWITCH STANDS {8}
407  DF  .~ Structural types {4}
408.~.~ Depressed mechanism

DEFINITION

Classification: 246/408

(under subclass 407) Subject matter having stands without projections above the pavement liable to be damaged by street traffic, and so especially adapted for use by street-railways in cities and towns.