Biodegradable ribbed dish
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United States of America Patent
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-
Sep 7, 1993
Grant Date -
N/A
app pub date -
Sep 30, 1992
filing date -
Oct 1, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A receptacle made of a starch-based biodegradable material is formed with a side wall, and a generally flat floor formed with an array of criss-cross upstanding ridges projecting from and unitary with a surface of the floor and meeting at intersections. Each rib has an undulating, generally sinusoidal, outer edge having high points spaced relatively far from the surface and low points relatively close to the surface. The ribs are positioned such that each intersection is at a high point of one of the ribs and a low point of another of the ribs.
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