Mandrel for wrapping of cabochons
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United States of America Patent
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May 19, 2015
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N/A
app pub date -
Jan 17, 2014
filing date -
Jan 18, 2013
priority date (Note) -
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Abstract
A mandrel is provided with a plurality of oval sections of varying circumference formed thereabout. The circumference of a first oval section is between about 1.75″ and about 2.6″. The circumference of a second oval section is about 0.2″ to 0.9″ greater than the circumference of the first section. The circumference of a third oval section is about 0.2″ to 0.9″ greater than the circumference of the second section.
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