Metal working – Finger-ring forming or sizing
Reexamination Certificate
2005-07-15
2008-08-19
Lorengo, Jerry (Department: 1793)
Metal working
Finger-ring forming or sizing
C029S896412, C063S015000, C063S015200, C219S606000
Reexamination Certificate
active
07412757
ABSTRACT:
The Dove-Tail Sizing Stock with Solder Pockets includes the technique of increasing or reducing the size of a circular object, such as a finger ring. The sizing stock includes dovetail shaped ends with pockets of solder on each end. The solder that is inserted into the holes drilled into the dove-tail crevices on each end of the sizing stock is of the same color, karat and hardness as the sizing stock. The sizing stock will be of the same material, color, karat and hardness as the circular object or finger ring to be sized.It will be understood that the foregoing description is for illustration purposes only. Other adaptations and uses of the invention may be made without departing from the spirit and scope of the invention as set forth in the appended claims.
REFERENCES:
patent: 3127757 (1964-04-01), Weiss
patent: 5590450 (1997-01-01), March
Corkran Charles Edward
Cotton, Jr. Leamon
Smith Thomas David
Barry Erin P
Lorengo Jerry
Marsh Richard L.
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