US PATENT SUBCLASS 160 / 299
.~.~.~ For spring operated roller

Current as of: June, 1999
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160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

238  DF  ROLL TYPE {12}
291  DF  .~ With brake or stop {8}
298  DF  .~.~ Friction {1}
299.~.~.~ For spring operated roller

DEFINITION

Classification: 160/299

(under subclass 298) Roll type devices in which there is a spring operated roller.