US PATENT SUBCLASS 152 / 507
.~.~.~.~.~ Sealant in plural layers or plural pockets

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  DF  .~.~.~.~ Within or part of construction of inflating inner tube {1}
507.~.~.~.~.~ Sealant in plural layers or plural pockets

DEFINITION

Classification: 152/507

Sealant in plural layers or plural pockets:

(under subclass 506) Subject matter wherein the flowable coating or composition is an integral part of the inner tube and is contained in separate multiple discrete compartments in the inner tube which are located transversely or annularly of the tire.