Transparency presentation organizer for overhead projectors

Details Transparency presentation organizer for overhead projectors Transparency presentation organizer for overhead projectors

1996-12-17

1997-10-14

Dowling, William

Optics: image projectors

Picture carrier

40701, 40721, G03B 2100

Patent

active

056764430

ABSTRACT:
The transparency presentation organizer of the invention is in the nature of a portfolio binder, including left, middle and right sections foldable one with respect to another to open and placed on top of an overhead projector in displaying transparencies placed atop its middle section, composed of a rigid material transparent to projected light, and dimensioned to accept transparencies of 81/2".times.11", 81/2".times.14" and 11".times.17" and to close in storing such transparencies and enabling the organizer to be carried about under one's arm or placed within a briefcase carried in one's hand.

REFERENCES:
patent: 3642359 (1972-02-01), Kitch
patent: 4203659 (1980-05-01), Constantine et al.
patent: 4679923 (1987-07-01), Nielsen
patent: 4715705 (1987-12-01), Nord
patent: 4787738 (1988-11-01), Joffe
patent: 5198846 (1993-03-01), Zilber
patent: 5321451 (1994-06-01), Olugboji

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