Carton bottom closure

Details Carton bottom closure Carton bottom closure

2008-11-12

2010-11-30

Elkins, Gary E (Department: 3782)

Envelopes, wrappers, and paperboard boxes

Paperboard box

Automatic bottom

C229S122330, C229S185000

Reexamination Certificate

active

07841511

ABSTRACT:
A carton has an auto bottom that securely closes the bottom of the carton. A reinforcing blank may be provided in the interior of the carton.

REFERENCES:
patent: 2327709 (1943-08-01), Himes
patent: 2332250 (1943-10-01), O'Reilly
patent: 2388190 (1945-10-01), Smart
patent: 2900122 (1959-08-01), Steiner
patent: 3361326 (1968-01-01), Croley et al.
patent: 3592337 (1971-07-01), Phillips, Jr.
patent: 3722782 (1973-03-01), Collie
patent: 4354630 (1982-10-01), Roccaforte
patent: 4487359 (1984-12-01), Hemmeter
patent: 5042714 (1991-08-01), Hall
patent: 6079616 (2000-06-01), Chinks et al.

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