Mailing viewer for slides and the like

Details Mailing viewer for slides and the like Mailing viewer for slides and the like

1976-04-15

1977-01-04

Pitrelli, John F.

Card, picture, or sign exhibiting

Check, label, or tag

Baggage checks

350140, G02G 2722, G09F 1130

Patent

active

040005720

ABSTRACT:
The disclosed structure is a collapsible integral three-panel flat mailing slide viewer including a removable adapter for viewing film strips. The viewer may be formed for 2-D or 3-D slides.

REFERENCES:
patent: 1553906 (1925-09-01), Marette
patent: 2071121 (1937-02-01), Harlow
patent: 2117910 (1938-05-01), Rossman
patent: 2615366 (1952-10-01), Rothweiler
patent: 3005378 (1961-10-01), Golden
patent: 3076276 (1963-02-01), Pitchford
patent: 3178842 (1965-04-01), Zimmerman
patent: 3469336 (1969-09-01), Halperin
patent: 3488872 (1970-01-01), Levy
patent: 3529371 (1970-09-01), Moore
patent: 3582182 (1971-06-01), Martin

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