Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1996-09-25
1997-12-23
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
22912528, 229182, B65D 4310
Patent
active
056999593
ABSTRACT:
An interlocking container and lid assembly and a partially formed container therefor is disclosed, wherein the container has a peripheral sidewall including an upper peripheral edge portion having at least two opposed interlocking areas. Openings are formed in the sidewall interlocking areas. Folded-back flaps are connected to the upper peripheral edge portion. The flaps have an upper wall portion covering the openings and a lower wall portion attached to the sidewall. The upper wall portion is spaced from the sidewall to form a hollow space behind the openings. The lid has a top member and a peripheral flange with projections formed therein to fit into the container sidewall openings and lock the lid onto the container.
REFERENCES:
patent: 1239223 (1917-09-01), Ross
patent: 1910074 (1933-05-01), Wells
patent: 2939624 (1960-06-01), Wilson
patent: 4259827 (1981-04-01), Stohlquist
patent: 4291829 (1981-09-01), VanderLugt, Jr.
patent: 5005759 (1991-04-01), Bouche
patent: 5205477 (1993-04-01), Zimmermann
Calcagni Peter L.
Huspeka John A.
Dover Industries Limited
Elkins Gary E.
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