Multiple use business portfolio

Envelopes – wrappers – and paperboard boxes – Paperboard box – Box material includes a coating or a nonpaperboard...

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Details

229 72, B65D 2708

Patent

active

053202759

ABSTRACT:
This invention deals with a novel multiple use business portfolio for use in storing and safely transporting documents, papers, cards, writing materials, which portfolio is also convenient.

REFERENCES:
patent: 868835 (1907-10-01), Bexell
patent: 1168634 (1916-01-01), Hoffman
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patent: 3154125 (1964-10-01), Harvey
patent: 3288352 (1966-11-01), Dwork
patent: 3312384 (1967-04-01), Heynemann
patent: 3399824 (1968-09-01), Dodge
patent: 4301962 (1981-11-01), Monckton et al.
patent: 4549688 (1985-10-01), Ozmon et al.
patent: 4991767 (1991-02-01), Wyant

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