Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Patent
1986-11-19
1987-09-22
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
229143, 229902, 229127, 22912004, 22912008, B65D 548
Patent
active
046949879
ABSTRACT:
A carryout carton for food products comprises a single tray element with a pair of integral lid members. A first locking means is provided for securing one lid member to the bottom wall of the tray and a second locking means is provided for securing the second lid to the first lid. The first locking means comprises a first locking tab formed by a flap element attached to an extension of the front wall of the first lid and a first locking slot formed in the bottom wall of the tray. The second locking means comprises a second locking tab formed by an extension of the front wall of the second lid and a second locking slot formed in the front wall of the first lid member.
REFERENCES:
patent: 3580480 (1971-05-01), French
patent: 3618758 (1971-11-01), Shaw
patent: 3933296 (1976-01-01), Ruskin et al.
patent: 4266713 (1981-05-01), Maroszek
patent: 4431128 (1984-02-01), Dirico
Elkins Gary E.
Marcus Stephen
Westvaco Corporation
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