File folder envelope

Details File folder envelope File folder envelope

1994-07-18

1996-07-30

Pascua, Jes F.

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

229 76, 229 82, B65D 2722

Patent

active

055403808

ABSTRACT:
A retainer for a flat object comprised of an envelope having front and rear planar members forming a pocket open at one end and for containing the flat object, and joined along opposite side edges, the planar member having a centrally located tongue projecting forward of the one end, the tongue being resiliently bendable adjacent the front end around an end and under a contained object so as to lie against an inside surface of the rear planar member, the width of the tongue being a fraction of the width of the planar members, the inside width of the envelope between the side edges being wider than the flat object by a distance sufficient to lift the tongue from under the contained object when the edges of the envelope are compressed toward each other and toward adjacent edges of the contained object.

REFERENCES:
patent: 768340 (1904-08-01), Ormsbee, Jr.
patent: 868835 (1907-10-01), Bexell
patent: 1223569 (1917-04-01), Deutschmeister
patent: 1790415 (1931-01-01), Fischer et al.
patent: 4349107 (1982-09-01), Pritchard
patent: 4667819 (1987-05-01), Lu
patent: 4971195 (1990-11-01), Mitsuyama
patent: 5031772 (1991-07-01), Woodriff
patent: 5275438 (1994-01-01), Struhl

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