Box with self-locking hinged cover sections
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United States of America Patent
Stats
-
Oct 15, 1991
Grant Date -
N/A
app pub date -
Apr 19, 1991
filing date -
Apr 19, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A collapsible box that can be formed from a one-piece sheet of foldable paperboard and that has opposed side and end walls and a top wall or cover that includes a pair of sections hinged to the end walls and that can be kept closed by snug, interlocking, frictional engagement between inner and outer panels of the side walls.
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Family
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Cited Art Landscape
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