Colored razor blades
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United States of America Patent
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Oct 23, 2007
Grant Date -
Jun 22, 2006
app pub date -
Dec 16, 2004
filing date -
Dec 16, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Colored razor blades are provided. Methods for manufacturing such blades are also provided, including methods involving subjecting a blade material to a hardening process; and, during the hardening process, oxidizing the blade material to form an oxide layer on the blade material. The method also includes quenching the blade material, after the oxidizing step, to initiate martensitic transformation of the blade material, and forming the hardened blade material into a razor blade, the oxide layer providing the razor blade with a colored surface.
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Family
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