US PATENT SUBCLASS 160 / 104
.~.~.~ Grille or shutter type

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

87  DF  PLURAL AND/OR WITH RIGID CLOSURE {5}
89  DF  .~ Diverse types {2}
90  DF  .~.~ With rigid closure {10}
104.~.~.~ Grille or shutter type

DEFINITION

Classification: 160/104

(under subclass 90) Devices in which the rigid closure or panel is of the grille or shutter type.