Envelopes – wrappers – and paperboard boxes – Paperboard box – Window or transparent portion
Patent
1991-12-30
1993-08-24
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Window or transparent portion
229936, B65D 542
Patent
active
052381803
ABSTRACT:
Two embodiments of cartons, and carton blanks for forming the same, wherein certain panel portions are scalloped by having closure flaps for adjacent blanks scavenged therefrom to minimize the use of paperboard, thus providing an economical carton which includes windows for allowing partial viewing of the contents and yet providing the panels with corner portions for reinforcing and strengthening the cartons.
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patent: 4049189 (1977-09-01), Wood
patent: 4355758 (1982-10-01), Lavery
patent: 5004104 (1991-04-01), Saulas
Elkins Gary E.
Holt William H.
Oak Tree Packaging Corporation
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