US PATENT SUBCLASS 152 / 209.16
.~.~.~ Having specified tread shoulder structure

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

151  DF  TIRES, RESILIENT {14}
208  DF  .~ Anti-skid devices {8}
209.1  DF  .~.~ Tread {13}
209.16.~.~.~ Having specified tread shoulder structure

DEFINITION

Classification: 152/209.16

HAVING SPECIFIED TREAD SHOULDER STRUCTURE:

Tread under 209.1 having a specified structure for an outside portion of the tread which lies below the tread surface and above the beginning of a sidewall section of a tire (i.e., shoulder).