Insulated drinking cup
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United States of America Patent
Stats
-
Nov 11, 1997
Grant Date -
N/A
app pub date -
Aug 16, 1996
filing date -
Aug 16, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disposable insulated drinking cup includes an inner liner, an outer annular shell, and an air-filled spacer between the liner and shell. The spacer includes a corrugated wall adhered to a backing sheet. Both the corrugated wall and backing sheet are of thin-wall construction to maximize the air volume and insulation properties of the spacer.
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Family
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Cited Art Landscape
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