US PATENT SUBCLASS 36 / 167
.~.~.~ Single rigid metal plate only
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}
167
.~.~.~ Single rigid metal plate only
DEFINITION
Classification: 36/167
Single rigid metal plate only:
(under subclass 166) Appliances in which the support for the longitudinal arch consists solely of an inflexible metal
plate.