US PATENT SUBCLASS 152 / 529
.~.~.~.~ Utilizing two or more cord materials

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}
526  DF  .~.~ Characterized by belt or breaker structure {11}
528  DF  .~.~.~ Folded ply structure {1}
529.~.~.~.~ Utilizing two or more cord materials

DEFINITION

Classification: 152/529

Utilizing two or more cord materials:

(under subclass 528) Subject matter wherein the folded belts or breakers have reinforcing elements of dissimilar materials.

(1) Note. The material of the strengthening elements can be dissimilar between or among plies or can be dissimilar within a given folded ply.