US PATENT SUBCLASS 355 / 74
.~.~ Including adjustable or selective masking frame

Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

18  DF  PROJECTION PRINTING AND COPYING CAMERAS {27}
72  DF  .~ Detailed holder for photosensitive paper {2}
74.~.~ Including adjustable or selective masking frame

DEFINITION

Classification: 355/74

(under subclass 72) Subject matter including adjustable or selective, opaque means for selectively defining the area or size of the photos:graphic paper which will receive the light coming from the object by blocking the unwanted light at the edges or border of what will be the new photograph.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for masks which are for making a plurality of rows and columns of pictures on one photosensitive sheet.

72, for simple masks which are not adjustable or selective to determine the size of the photograph.