US PATENT SUBCLASS 36 / 118.3
.~.~.~.~.~.~.~ Adjustable pivot stiffness

Current as of: June, 1999
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36 /   HD   BOOTS, SHOES, AND LEGGINGS

83  DF  BOOTS AND SHOES {28}
113  DF  .~ Occupational or athletic shoe (e.g., roof climbing, gardening, etc.) {1}
114  DF  .~.~ Athletic shoe or attachment therefor {8}
115  DF  .~.~.~ For a sport (e.g., skating, skiing, etc.) featuring relative movement between shoe and ground {1}
116  DF  .~.~.~.~ For walking or sliding on shifting media {2}
117.1  DF  .~.~.~.~.~ Ski boot {5}
118.2  DF  .~.~.~.~.~.~ Having pivotable upper {4}
118.3.~.~.~.~.~.~.~ Adjustable pivot stiffness {2}
118.4  DF  .~.~.~.~.~.~.~>.~ And adjustable pivot range
118.5  DF  .~.~.~.~.~.~.~>.~ Forward mounted stiffness adjustment means {1}

DEFINITION

Classification: 36/118.3

Adjustable pivot stiffness:

(under subclass 118.2) Foot covering wherein the pivotable upper includes means (e.g., spring, damper, etc.) to adjust the force required to cause the upper to pivot relative to the sole.