US PATENT SUBCLASS 36 / 151
.~.~.~ Including metal spring means

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}
148  DF  .~.~ Comprising outside shank stiffener {4}
151.~.~.~ Including metal spring means

DEFINITION

Classification: 36/151

Including metal spring means:

(under subclass 148) Appliances in which the supporting means

includes a metal spring attachment to cushion the foot in walking.