US PATENT SUBCLASS 36 / 166
.~.~ For the longitudinal arch

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.~.~ For the longitudinal arch {6}
167  DF  .~.~.~> Single rigid metal plate only
168  DF  .~.~.~> Including metal spring means
169  DF  .~.~.~> Built into boot or shoe {3}
173  DF  .~.~.~> With heel support {1}
180  DF  .~.~.~> With metatarsal support
181  DF  .~.~.~> Comprising multiple layers

DEFINITION

Classification: 36/166

For the longitudinal arch:

(under subclass 145) Appliances in which the supporting means underlies the longitudinal arch of the foot and supports this portion of the foot.