US PATENT SUBCLASS 160 / 207
.~.~.~.~ Vertical track

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}
181  DF  .~ With mounting or supporting means {12}
201  DF  .~.~ Track guided {7}
206  DF  .~.~.~ Strip, slat, or panel constrained for pivotal folding {1}
207.~.~.~.~ Vertical track

DEFINITION

Classification: 160/207

(under subclass 206) Devices in which at least a portion of the track is positioned in a substantially vertical direction.