Envelopes – wrappers – and paperboard boxes – Paperboard box – Compartmented
Patent
1996-10-25
1998-03-10
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Compartmented
229131, 229152, 229906, B65D 566
Patent
active
057251460
ABSTRACT:
A pizza box includes a bottom wall; a peripheral side wall attached to a periphery of the bottom wall; a top cover including a rear edge hingedly attached to the side wall, a front edge, two side edges between the front edge and the rear edge, two slits in the top cover, each slit extending from a front edge, side edge or corner to an inner point of the top cover and each slit formed by a first slit section which is offset from a second slit section thereof, a first fold line interconnecting the inner points of the top cover to form a lift flap between the first fold line and the two slits, two second fold lines extending from the first fold line toward the rear edge, the top cover being bent along the first and second fold lines such that the first fold line defines a highest position of the top cover with the remainder of the cover sloping down therefrom toward the edges of the cover, and a vent opening which is always open is formed along each of the slits; and a rear connecting panel which connects the top cover to the peripheral side wall via a double hinge.
REFERENCES:
patent: 1334932 (1920-03-01), Gray
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patent: 2114823 (1938-04-01), Toscano
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patent: 2643812 (1953-06-01), Lange
patent: 2801785 (1957-08-01), Manizza
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patent: 4804136 (1989-02-01), Hall
patent: 5263634 (1993-11-01), Korine
patent: 5326022 (1994-07-01), Green
patent: 5385292 (1995-01-01), Labianca et al.
Berson Arnold
Elkins Gary E.
Goldberg Richard M.
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