US PATENT SUBCLASS 36 / 28
.~ Cushion

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

25 R  DF  SOLES {8}
28.~ Cushion {1}
29  DF  .~.~> Pneumatic

DEFINITION

Classification: 36/28

The sole is made yielding or has a spring attachment to cushion the foot in walking.