Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-12-26
2006-12-26
Wu, Daniel (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S999000, C029S010000, C063S026000, C374S045000
Reexamination Certificate
active
07154401
ABSTRACT:
There is provided a method for assessing the integrity of grip of a stone in a jewellery setting having plural gripping claws to grip said stone, the method comprising heating the stone; measuring conductive transfer of heat from the stone to each of said plural gripping claws; and comparing said conductive heat transfer to said each gripping claw, wherein a marked difference in conductive heat transfer to any of the gripping claws indicates a lack of integrity of grip. Suitable apparatus is also provided.
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Humbert, Jr. John
Robertson Mark
Birch Stewart Kolasch & Birch, LLP.
Blount Eric M.
Diamond Alert, LLC.
Wu Daniel
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