US PATENT SUBCLASS 152 / 249
.~.~.~.~ Integral

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

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
247  DF  .~.~ Metallic springs {4}
248  DF  .~.~.~ Tubular {2}
249.~.~.~.~ Integral

DEFINITION

Classification: 152/249

Where the tire is a single metallic tubular annulus consisting of an integral element. The tube may be open at its rim zone and may have slots or notches therein.