US PATENT SUBCLASS 160 / 213
.~.~.~ Constrained for pivotal folding

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}
210  DF  .~.~ Pivotally mounted unit {3}
213.~.~.~ Constrained for pivotal folding

DEFINITION

Classification: 160/213

(under subclass 210) Devices in which the strips, slats or panels are so interconnected that the only possible motion, when moving from operative to inoperative position, is that of pivotal folding.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134, for fan type plural strip, slat and panel devices.