Portfolio construction

Details Portfolio construction Portfolio construction

1981-05-06

1983-12-13

Ross, Herbert F.

Envelopes, wrappers, and paperboard boxes

Envelope

Compartment

150 39, 206215, 281 31, B65D 2708

Patent

active

044201125

ABSTRACT:
This portfolio construction can be made from a single sheet of light cardboard and it provides two covers hinged together and with each cover made with three layers of cardboard folded back on itself. Each cover has two pockets suitable for holding loose sheets. The inside panel of the back cover has a transverse slot into which the cardboard on the back of a writing pad can be inserted to retain and protect pad sheets when enclosed between the front and back covers of the portfolio; the pad sheets are exposed for ready writing when the portfolio covers are hinged open The only adhesive required is along one horizontal edge of each cover.

REFERENCES:
patent: 91728 (1869-06-01), Eastman
patent: 2306215 (1942-10-01), Freifeld
patent: 3129872 (1964-04-01), Lutwack
patent: 3227471 (1966-01-01), Coniker
patent: 3537728 (1970-11-01), Reese
patent: 3826360 (1974-07-01), Shore
patent: 3870223 (1975-03-01), Uryant
patent: 4051996 (1977-10-01), Ross

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