US PATENT SUBCLASS 396 / 524
.~.~.~ Having dark slide

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
511  DF  .~ Detachable or removable film holder unit {2}
517  DF  .~.~ Plate or cut film holder {8}
524.~.~.~ Having dark slide {2}
525  DF  .~.~.~.~> Having hinged part
526  DF  .~.~.~.~> Double holder

DEFINITION

Classification: 396/524

Having dark slide:

(under subclass 517) Subject matter wherein a removable or displaceable sliding member, located parallel and adjacent to the image-receiving plate or sheet, protects the light- sensitive material from outside light before and after exposure and is removed or displaced while in exposing position to uncover the image receiving surface to permit exposure.