US PATENT SUBCLASS 160 / 134
.~ Fan type

Current as of: June, 1999
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160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

130  DF  PLURAL STRIP, SLAT, OR PANEL TYPE {11}
134.~ Fan type

DEFINITION

Classification: 160/134

(under subclass 130) Devices wherein at least two of the elements are arranged either in the same plane or in parallel planes so that they may swing around a single actual or virtual pivot which is at right angles to such plane or planes.