US PATENT SUBCLASS 160 / 17
.~ Bar, grooved or apertured

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

12  DF  WITH INSECT EXITS {5}
17.~ Bar, grooved or apertured

DEFINITION

Classification: 160/17

(under subclass 12) Combinations in which the exit is formed by means of grooves or apertures in a bar member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

16, for such structures having conical or prismatic passage form.