Metal compression-spring gemstone mountings
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United States of America Patent
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Feb 23, 1993
Issued Date -
N/A
app pub date -
Jan 15, 1992
filing date -
Jul 19, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A precious metal alloy compression-spring gemstone mounting is made by casting or working a quantity of alloy to form a gemstone mounting in a desired configuration, followed by annealing and heat-treating the mounting to increase its yield strength. A stone is then placed in the mounting and is retained therein by compressive spring force.
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