US PATENT SUBCLASS 301 / 91
.~.~ Adjustable circumference tire

Current as of: June, 1999
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301 /   HD   LAND VEHICLES: WHEELS AND AXLES

5.1  DF  WHEEL {21}
86  DF  .~ Nonresilient tire {3}
91.~.~ Adjustable circumference tire {2}
92  DF  .~.~.~> Adjustable by use of screw {1}
94  DF  .~.~.~> Adjustable by use of wedge

DEFINITION

Classification: 301/91

(under subclass 86) Wheel wherein the length of the tire is adjustable.