Envelopes – wrappers – and paperboard boxes – Paperboard box – Having means to facilitate opening the box by severing box...
Patent
1993-09-29
1994-08-30
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Having means to facilitate opening the box by severing box...
229218, 229222, 229231, B65D 570
Patent
active
053419847
ABSTRACT:
A carton with an opening through which the contents can be poured. An opening in an end panel is normally covered by a closure flap connected to the top panel. The flap is maintained in closed position by another flap which includes a tear strip. Removal of the tear strip permits access to the closure flap, enabling it to be opened for pouring. A slot in the end panel receives the closure flap when the closure flap is reclosed.
REFERENCES:
patent: 1956238 (1934-04-01), Jackson
patent: 2403138 (1946-07-01), Sullivan
patent: 2501842 (1950-03-01), Cartwright
patent: 2773634 (1956-12-01), Negoro
patent: 3079063 (1963-02-01), Yezek
patent: 3814301 (1974-06-01), Niepmann
patent: 4154346 (1979-05-01), Heuberger
patent: 4718557 (1988-01-01), Friedman
patent: 4913292 (1990-04-01), Field
patent: 5110042 (1992-05-01), Hurden
Elkins Gary E.
Riverwood International Corporation
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