US PATENT SUBCLASS 152 / 269
.~.~.~.~.~.~ Arcuate interior surface

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}
251  DF  .~.~.~ Wheel encircling band {2}
267  DF  .~.~.~.~ Enclosed {1}
268  DF  .~.~.~.~.~ Integral enclosure {1}
269.~.~.~.~.~.~ Arcuate interior surface

DEFINITION

Classification: 152/269

The interior surface of the integral enclosure about the flexible spring band presents an arcuate cross-section throughout, except that there may be some departure from the arcuate in providing wheel securing means adjacent the rim.