Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Patent
1991-12-27
1992-11-03
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
22917527, 22912529, 229901, B65D 4302
Patent
active
051600811
ABSTRACT:
A tray formed from a unitary paperboard blank. The tray has a locking tab at each corner, each latching tab projecting beyond the next adjacent tray wall. Two such trays may be latched together to form a closed container. The tray structure is such that two of the trays may be latched together in only one of four possible angular relations of the trays. The tray is rectangular and may be square or oblong.
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Doyle Michael J.
Elkins Gary E.
International Paper Company
Zielinski Walt Thomas
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