US PATENT SUBCLASS 160 / 224
.~.~.~ With operator and/or anti-friction means

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}
218  DF  .~ Movably interconnected {4}
222  DF  .~.~ Slidably interconnected {5}
224.~.~.~ With operator and/or anti-friction means

DEFINITION

Classification: 160/224

(under subclass 222) Devices having (1) means to cause relative sliding motion between the elements of the unit, (2) antifriction means for the slidable interconnection or (3) both thereof.