US PATENT SUBCLASS 152 / 1
SPRING WHEELS

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

1SPRING WHEELS {3}
2  DF  .~> With lubrication {2}
5  DF  .~> Deformable ground engaging part {5}
17  DF  .~> Spring encircling rigid annulus {10}

DEFINITION

Classification: 152/1

Wheels for land vehicles whereby the vehicle is resiliently supported on the roadway by means within the wheel structure other than a resilient tire.

SEE OR SEARCH THIS CLASS, SUBCLASS:

151, and 375, Note (1), for definition of a resilient tire.