Envelopes – wrappers – and paperboard boxes – Paperboard box – Having means to facilitate opening the box by severing box...
Patent
1992-04-09
1992-12-08
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Having means to facilitate opening the box by severing box...
22912504, 22912509, 22912542, B65D 570, B65D 574
Patent
active
051690594
ABSTRACT:
A one-piece, collapsible, paperboard, dispensing carton having in one side wall adjacent an upper end of the carton an integral pour spout that can be pulled part way out of the carton for dispensing. The pour spout is formed from material of one of the carton side wall panels and has a slit and a projecting tab that are engageable with another carton panel to hold the pour spout in proper open position for dispensing and to prevent the pour spout from being accidentally pulled completely out of the carton.
REFERENCES:
patent: 1539985 (1925-06-01), Allen
patent: 1907939 (1933-05-01), Venning et al.
patent: 2330464 (1943-09-01), Atterbury
patent: 2358659 (1944-09-01), Ringler
patent: 2601399 (1952-06-01), Jones
patent: 3055571 (1962-09-01), Hassler
patent: 3085733 (1963-04-01), Umanoff
patent: 3438555 (1969-04-01), LaPierre
patent: 4054240 (1977-10-01), LaPierre
patent: 4569443 (1986-02-01), Roccaforte
Allsop Frederick M.
Desmond John D.
Carpenter Richard W.
Container Corporation of America
Elkins Gary E.
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