US PATENT SUBCLASS 160 / 311
.~.~ Motor or fluid pressure control

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

238  DF  ROLL TYPE {12}
309  DF  .~ With rotating means {5}
311.~.~ Motor or fluid pressure control

DEFINITION

Classification: 160/311

(under subclass 309) Roll type devices in which the rotating means is motor operated or fluid pressure controlled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

310, for electric motors and electrical control.

313+, and 320, for spring and weight operators.

331, for similar operating and control means for hanging and drape type devices.