US PATENT SUBCLASS 152 / 522
.~.~.~ Means facilitating folding between sidewall portions (e.g., run flat sidewalls)

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

151  DF  TIRES, RESILIENT {14}
450  DF  .~ Pneumatic tire or inner tube {23}
516  DF  .~.~ With means enabling restricted operation in damaged or deflated condition {5}
522.~.~.~ Means facilitating folding between sidewall portions (e.g., run flat sidewalls)

DEFINITION

Classification: 152/522

Means facilitating folding between sidewall portions (e.g., run flat sidewalls):

(under subclass 516) Subject matter wherein the tire includes sidewalls which are foldable on themselves at predetermined adjacent sidewall portions to sustain the tire in inflated condition to permit continued operation of the tire upon loss of inflation pressure during use.

SEE OR SEARCH THIS CLASS, SUBCLASS:

457, for pneumatic tires that are foldable for storage or nonuse condition.