US PATENT SUBCLASS 160 / 143
.~.~.~.~.~.~ Weighted parallelogram element extension


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}
136  DF  .~ Parallelogram type {6}
138  DF  .~.~ With operator {1}
139  DF  .~.~.~ Unit collapsing only {6}
140  DF  .~.~.~.~ Diverse types of operators {2}
142  DF  .~.~.~.~.~ One operator a weight {1}
143.~.~.~.~.~.~ Weighted parallelogram element extension


DEFINITION

Classification: 160/143

(under subclass 142) Devices wherein an extension of one of the parallelogram elements is weighted.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148, for additional weighted parallelogram extensions.