Domed cup lids especially for use with frozen carbonated beverages
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 19, 2002
Grant Date -
N/A
app pub date -
Jul 18, 2000
filing date -
Jul 18, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Domed lids for beverage cups include an arcuately convex lower side wall section, and an arcuately convex upper side wall section protruding upwardly from the lower side wall section. Most preferably, each of these upper and lower side wall section is in the form of a respective spherical surface, with the upper side wall section having a lesser radius of curvature as compared to the radius of curvature of the lower side wall section. In particularly preferred forms, cup lids are provided having an arcuately convex lower side wall section establishing a circular base skirt adapted to being attached to an upper lip of a cup; and an arcuately convex upper side wall section. The upper side wall section is joined at a lower edge region thereof to the lower side wall section by means of an annular concavity, and protrudes coaxially upwardly from the lower side wall section to an annular apical edge region. The upper side wall section includes a reentrant well recessed below the apical edge region and defines an opening in a terminal surface thereof.
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