Buckle-proof clamshell container
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United States of America Patent
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-
Dec 20, 1988
Grant Date -
N/A
app pub date -
Jan 9, 1987
filing date -
Jan 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are various diagonal incisions adjacent the hinge line of a clamshell container. These diagonal incisions allow opening of the clamshell container without permanent buckling. Also disclosed are ribs formed above, below, and parallel to, the hinge line of a clamshell container.
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