US PATENT SUBCLASS 152 / 531
.~.~.~ Utilizing at least one ply the cords of which run circumferentially (zero degree belt)

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}
531.~.~.~ Utilizing at least one ply the cords of which run circumferentially (zero degree belt)

DEFINITION

Classification: 152/531

Utilizing at least one ply the cord or which run circumferentially (zero-degree belt):

(under subclass 526) Subject matter wherein the cords of the belt or breaker material define an angle of substantially zero degrees relative to a median equatorial plane of the tire.

(1) Note. Patents having single substantially zero degree cords are provided for in this subclass.