US PATENT SUBCLASS 160 / 142
.~.~.~.~.~ One operator a weight

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.~.~.~.~.~ One operator a weight {1}
143  DF  .~.~.~.~.~.~> Weighted parallelogram element extension

DEFINITION

Classification: 160/142

(under subclass 140) Devices wherein one of the operators is a weight.

SEE OR SEARCH THIS CLASS, SUBCLASS:

146+, for other weight type operators.