US PATENT SUBCLASS 396 / 647
.~ Photographic medium holding device


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
647.~ Photographic medium holding device {5}
648  DF  .~.~> Spool
649  DF  .~.~> Tensioning means
650  DF  .~.~> Adjustable means
651  DF  .~.~> Retaining means
652  DF  .~.~> Gripping means {2}


DEFINITION

Classification: 396/647

Photos:graphic medium holding device:

(under subclass 564) Subject matter having structure by which the material is lifted, stretched or supported for treatment and wherein the structure is independent of a fluid vessel.

(1) Note. This subclass provides for film, print, or plateholders, per se, that are manually manipulated by an operator and are generally designed to contact the light-sensitive material in areas that will not mar the image areas while allowing fluid contact with the image areas when the holder and material is moved into treatment areas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

642, for a film-processing vessel with film support.

, FOR 958+, for foreign art collections involving a fluid-treating apparatus film-holding device.