US PATENT SUBCLASS 160 / 186
.~.~ Arranged to provide plural passageways on opening

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}
186.~.~ Arranged to provide plural passageways on opening {1}
187  DF  .~.~.~> Strip, slat, or panel pivotally interconnected

DEFINITION

Classification: 160/186

(under subclass 181) Devices in which the mounting or supporting means is such that when the device is moved from an operative or closing position to an inoperative or opening position at least two passageways are provided.