Folio with three-part stiffener and viewing pockets

Details Folio with three-part stiffener and viewing pockets Folio with three-part stiffener and viewing pockets

1998-09-15

2000-01-25

Fridie, Jr., Willmon

Binder device releasably engaging aperture or notch of sheet

Depository

281 29, 281 31, 281 36, 281 37, B42D 300

Patent

active

060171642

ABSTRACT:
A folder or loose leaf type binder has a novel spine construction using a rigid sheet with a pair of spaced apart creases to form a spine stiffener with adjacent cover stiffeners. Since the cover stiffeners extend only partially into the cover portions of the folder, a natural break occurs in each of the two covers which, in turn, makes the folder easier to handle, prevents the covers from closing inadvertently, and allows the pages of the folder to lay at a preferred attitude and angle.

REFERENCES:
patent: 643866 (1900-02-01), Deckert
patent: 2054793 (1936-09-01), Dewar
patent: 2092541 (1937-09-01), Trussell
patent: 2704546 (1955-03-01), Slonneger
patent: 2772427 (1956-12-01), Rankin
patent: 4165193 (1979-08-01), Gestetner
patent: 4629349 (1986-12-01), Pitts
patent: 5711627 (1998-01-01), Chapman
patent: 5762375 (1998-06-01), Kogutt et al.

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