Card – picture – or sign exhibiting – Photographic transparency viewer – e.g. – x-ray viewer – Hand held slide viewer
Patent
1981-08-17
1982-12-28
Mancene, Gene
Card, picture, or sign exhibiting
Photographic transparency viewer, e.g., x-ray viewer
Hand held slide viewer
40539, 46 1L, 46 37, G02B 2704, G09F 108, A63H 3300
Patent
active
043654320
ABSTRACT:
A foldable viewer is disclosed herein for presenting a graphic scene, message or the like which includes a square blank sheet of pliable material having a viewing area defined on a selected one of its surface for carrying suitable graphic or display subject matter intended to be viewed by the user. In one form, the viewing area is defined by a pair of outlined bands arranged normal to each other having opposite ends of the bands terminating at the respective adjacent edges of the square blank sheet material. Construction of the viewer is accomplished by folding selected and predetermined portions of the blank sheet over upon itself to construct an enclosure with an opening at one end for viewing the interior thereof and for particularly viewing the graphic or message material carried on the interior viewing areas.
REFERENCES:
patent: 1682594 (1928-08-01), Benjamin
patent: 3730818 (1973-05-01), Salinari
patent: 3962816 (1976-06-01), Sarid
"Diagonal Folding", pp. 24 and 25 of Paper Folding for Beginners, 6/65, by W. Murray and F. Rigney (publ. by Dover).
McCauley John W.
Paul Stephen
Foycik, Jr. Michael J.
Mancene Gene
Marrs Roger A.
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