US PATENT SUBCLASS 246 / 453
.~ Chairs and plates

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

415 R  DF  SWITCHES {21}
453.~ Chairs and plates

DEFINITION

Classification: 246/453

(under subclass 415) Subject matter having means designed for supporting the moving rails of switches.

SEE OR SEARCH THIS CLASS, SUBCLASS:

467, for crossing chairs.

SEE OR SEARCH CLASS

29, Metal Working,

16, for incidental disclosure of railway chair and plate structure. 238, Railways: Surface Track,

187, for rail joint chairs.