US PATENT SUBCLASS 152 / 545
.~.~.~ Multiple bead cores at each terminal edge or tire supporting surface

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}
539  DF  .~.~ Characterized by the structure of the bead portion of the tire {8}
545.~.~.~ Multiple bead cores at each terminal edge or tire supporting surface

DEFINITION

Classification: 152/545

Multiple bead cores at each terminal edge or tire supporting surface:

(under subclass 539) Subject matter wherein the rim contacting portion of the tire contains two or more annular reinforcing elements.