US PATENT SUBCLASS 152 / 537
.~.~.~ Breaker or belt characterized by the chemical composition or physical properties of elastomer or the like

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}
537.~.~.~ Breaker or belt characterized by the chemical composition or physical properties of elastomer or the like

DEFINITION

Classification: 152/537

Breaker or belt characterized by the chemical composition or

physical properties of elastomer or the like:

(under subclass 526) Subject matter wherein the belt or breaker region of the tire includes a material formed by the reaction of two or more chemical substances or a combination of chemical substances exhibiting an essential or distinctive attribute to enhance the general structural characteristics of the tire.

SEE OR SEARCH THIS CLASS, SUBCLASS:

525, for chemical compositions or physical properties of external side wall materials.