US PATENT SUBCLASS 152 / 564
.~.~.~ Carcass characterized by the chemical composition or physical properties of the elastomers 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}
548  DF  .~.~ Characterized by the carcass, carcass material, or physical arrangment of the carcass materials {11}
564.~.~.~ Carcass characterized by the chemical composition or physical properties of the elastomers or the like

DEFINITION

Classification: 152/564

Carcass characterized by the chemical composition or physical properties of the elastomer or the like:

(under subclass 548) Subject matter wherein the carcass 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, subclass 537 for belt or breaker chemical or physical properties and subclass 547 for bead chemical or physical properties.