US PATENT SUBCLASS 160 / 331
.~ Motor operating means or electric or fluid pressure control

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

330  DF  HANGING OR DRAPE TYPE {7}
331.~ Motor operating means or electric or fluid pressure control

DEFINITION

Classification: 160/331

(under subclass 330) Hanging or drape type devices having anyone or any combination of (1) motor operating means (other than mere springs or spring devices); (2) electric control means or (3) fluid pressure operated control means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

310, and 311, for similar operating and control means for roller type devices.