Metal engraving method, article, and apparatus
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United States of America Patent
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N/A
Issued Date -
Oct 14, 2004
app pub date -
Dec 5, 2003
filing date -
Dec 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to metal articles and methods of making the metal articles. The metal articles comprise a compression-formed particulate metal object, wherein a portion of the compression-formed particulate metal object has been selectively removed by an etching process from at least one surface of the object. The etching process is frequently performed using abrasive etching.
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Cited Art Landscape
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