US PATENT SUBCLASS 2 / 171.7
.~.~ Movable along crown surface

Current as of: June, 1999
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2 /   HD   APPAREL

171  DF  HEAD COVERINGS {24}
171.4  DF  .~ With movable closure for opening {2}
171.7.~.~ Movable along crown surface {1}
171.8  DF  .~.~.~> Endless band type

DEFINITION

Classification: 2/171.7

(under subclass 171.4) Head coverings in which the closure includes means mounted for motion as a unit and solely in a path having all points substantially in or contiguous to a crown wall.