Method of surface treating a cookware article and an article so treated
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United States of America Patent
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Jun 15, 2004
Grant Date -
Jul 18, 2002
app pub date -
Jan 12, 2001
filing date -
Jan 12, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of surface treating a cookware article formed of aluminum or aluminum alloy, comprises the steps of applying a first coating of porcelain enamel to the exterior of the article; subjecting the interior of the article to hard-anodizing; and applying a second coating of porcelain enamel over the first coating.
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