US PATENT SUBCLASS 160 / 170
.~.~.~ Drum or roller wound strand

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}
166.1  DF  .~ Venetian blind type {4}
168.1  DF  .~.~ With accumulating means {4}
170.~.~.~ Drum or roller wound strand {1}
171  DF  .~.~.~.~> Axially traversed drum or roller

DEFINITION

Classification: 160/170

(under subclass 168.1) Devices in which means are accumulated by means of strands, which strands are wound up on drums or rollers. The drums or rollers may be rotated by any character of means.