US PATENT SUBCLASS 160 / 192
.~.~.~ Spring

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}
181  DF  .~ With mounting or supporting means {12}
188  DF  .~.~ With operating means {4}
192.~.~.~ Spring

DEFINITION

Classification: 160/192

(under subclass 188) Devices in which the operating means involves the use of springs.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189, and 191, for devices wherein the spring operates to counterbalance the weight of the device.