US PATENT SUBCLASS 396 / 479
.~.~ Curtain type

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
452  DF  .~ Shutter {12}
479.~.~ Curtain type {1}
480  DF  .~.~.~> Plural curtains {1}

DEFINITION

Classification: 396/479

Curtain type:

(under subclass 452) Subject matter wherein the light interrupter means is a resilient or flexible sheet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

194, for curtain shutter and illumination means.

, FOR 881+, for foreign art collections involving a curtain or flexible plate-type shutter.