US PATENT SUBCLASS 36 / 159
.~.~.~ By shims

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}
155  DF  .~.~ Adjustable position or shape {5}
159.~.~.~ By shims

DEFINITION

Classification: 36/159

By shims:

(under subclass 155) Appliances in which the support is provided with multiple separate or separable layers, for varying the height or the configuration of the support by the addition or removal of one or more layers.