US PATENT SUBCLASS 36 / 174
.~.~.~.~ And metatarsal support

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

140  DF  ORTHOPEDIC BOOT OR SHOE WITH CORRECTIVE ELEMENT {4}
145  DF  .~ Arch support {8}
166  DF  .~.~ For the longitudinal arch {6}
173  DF  .~.~.~ With heel support {1}
174.~.~.~.~ And metatarsal support {4}
175  DF  .~.~.~.~.~> With metal reinforcing means
176  DF  .~.~.~.~.~> Integral {1}
178  DF  .~.~.~.~.~> Comprising multiple layers
179  DF  .~.~.~.~.~> Including metal spring means

DEFINITION

Classification: 36/174

And metatarsal support:

(under subclass 173) Appliances in which the supporting means also includes means for underlying the metatarsal arch of the foot, and has means for supporting that portion of the foot.