US PATENT SUBCLASS 152 / 506
.~.~.~.~ Within or part of construction of inflating inner tube

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}
502  DF  .~.~ Automatic sealing of punctures (e.g., self-healing) {3}
503  DF  .~.~.~ Using flowable coating or composition {2}
506.~.~.~.~ Within or part of construction of inflating inner tube {1}
507  DF  .~.~.~.~.~> Sealant in plural layers or plural pockets

DEFINITION

Classification: 152/506

Within or part of construction of inflating inner tube:

(under subclass 503) Subject matter wherein the flowable coating or composition is provided as an integral part of the inner tube.