US PATENT SUBCLASS 396 / 484
.~.~.~ Plural plates


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
452  DF  .~ Shutter {12}
483  DF  .~.~ Sliding plate type {2}
484.~.~.~ Plural plates {6}
485  DF  .~.~.~.~> Having apertured plate
486  DF  .~.~.~.~> Having base plate detail
487  DF  .~.~.~.~> Having plate support detail
488  DF  .~.~.~.~> Having plate detail
489  DF  .~.~.~.~> Having drive detail
490  DF  .~.~.~.~> Move in opposite directions


DEFINITION

Classification: 396/484

Plural plates:

(under subclass 483) Subject matter having more than one stiff sheet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 886+, for foreign art collections involving a shutter formed by plural sliding rigid plates.