Card – picture – or sign exhibiting – Photographic transparency viewer – e.g. – x-ray viewer – Portable slide viewer
Patent
1980-10-14
1983-02-15
Mancene, Gene
Card, picture, or sign exhibiting
Photographic transparency viewer, e.g., x-ray viewer
Portable slide viewer
40 23R, 40361, 248475R, 353DIG5, G02B 2702, A47F 714, B60R 102, A47G 116
Patent
active
043732801
ABSTRACT:
A box structure having a light source therein and a light transmission panel on the front thereof to receive X-ray films thereon for viewing with back-light illumination is provided with a horizontal cross bar detachably secured across the light transmission panel at a predetermined vertical position to divide the viewing screen into upper and lower viewing areas. The bottom of the cross bar is provided with a portion for detachably retaining a film edge for viewing of a film in the lower viewing area, and shades are horizontally secured at the top or bottom of the front of the box structure and are vertically drawable to cover at least an underlying portion of the light transmission panel to reduce glare.
REFERENCES:
patent: 1172426 (1916-02-01), Caldwell
patent: 1988654 (1935-01-01), Haag
patent: 2436162 (1948-02-01), Cadenas
patent: 2682463 (1954-06-01), Olsen
patent: 2760288 (1956-08-01), Schoenfeld
patent: 3201883 (1965-08-01), Schleisner-Meyer
patent: 3350045 (1967-10-01), Mayers
patent: 4004360 (1977-01-01), Hammond
Foycik, Jr. Michael J.
Mancene Gene
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