US PATENT SUBCLASS 152 / 209.22
.~.~.~.~ Protrusion bridging between walls (e.g., tie bar, etc.)

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}
209.18  DF  .~.~.~ Having groove or sipe with specified dimension or structure therewithin {8}
209.22.~.~.~.~ Protrusion bridging between walls (e.g., tie bar, etc.)

DEFINITION

Classification: 152/209.22

PROTRUSION BRIDGING BETWEEN WALLS (e.g., tie bar, etc.):

Tread under 209.18 having an element projecting from one wall, extending laterally and connecting to the opposing wall of the groove or sipe.

(1) Note. A tie bar is considered to be a protrusion which is connected to both sidewalls of a groove or sipe.