Suspendable folder

Details Suspendable folder Suspendable folder

1989-02-13

1990-01-16

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

229 72, 40359, B65D 2700

Patent

active

048937452

ABSTRACT:
A suspendable folder is disclosed having a front panel and a back panel with their bottom edges and a segment of each of their lateral edges secured to one another. A segment of each pair of lateral edges secured to one another is defined by two points, the first of which is near the bottom edge of each panel. The second, upper point is spaced from the first point by a distance preferably selected from the range of approximately one half to two thirds the height of the back panel. At or near the second upper point, a circular radius cut is provided to assist in distributing tearing forces across a large area of both the front panel and back panel. At least one transverse score line is also provided above the radius cut in the front panel to permit easier opening and closing of the folder without tearing.

REFERENCES:
patent: 847648 (1907-03-01), Carnahan
patent: 1064000 (1913-06-01), Neff
patent: 2568941 (1951-09-01), Benson
patent: 3129872 (1964-04-01), Lutwack
patent: 3863828 (1975-03-01), King
patent: 3870223 (1975-03-01), Wyant
patent: 3979051 (1976-09-01), Close
patent: 4192447 (1980-03-01), Ambrosat et al.
patent: 4301962 (1981-11-01), Monckton et al.
patent: 4419837 (1983-12-01), Meeker
patent: 4436202 (1984-03-01), Berkley
patent: 4576328 (1986-03-01), Snider et al.

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