US PATENT SUBCLASS 295 / 31.1
.~ Wheel tread

Current as of: June, 1999
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295 /   HD   RAILWAY WHEELS AND AXLES

1  DF  WHEELS {20}
31.1.~ Wheel tread {3}
32  DF  .~.~> Multiple rollers
33  DF  .~.~> Multiple
34  DF  .~.~> Form

DEFINITION

Classification: 295/31.1

Wheel tread:

(under subclass 1) Device having particular construction of a peripheral tread surface to the railway-vehicle wheel, which surface rides on the railway track.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30.1, for particular wheel tread construction of a pneumatic tire railway-vehicle wheel.