Cut cornered square mixed-cut gemstone
Latest Tiffany and Company Patents:
Description
FIG. 1 is a side elevational view of a gemstone showing my new design;
FIG. 2 is a top plan view of the gemstone of FIG. 1;
FIG. 3 is a bottom plan view of the gemstone of FIG. 1;
FIG. 4 is a top perspective view of the gemstone of FIGS. 1-3;
FIG. 5 is a bottom perspective view of the gemstone of FIGS. 1-3; and ,
FIG. 6 is another bottom perspective view of the gemstone of FIGS. 1-3.
Claims
The ornamental design for a cut cornered square mixed-cut gemstone, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D36103 | August 1995 | Wood |
D250640 | December 26, 1978 | Grossbard |
D251659 | April 24, 1979 | Grossbard |
D297718 | September 20, 1988 | Cohen |
D337742 | July 27, 1993 | D'Haene |
D338851 | August 31, 1993 | D'Haene |
D366628 | January 30, 1996 | Grossbard |
D389425 | January 20, 1998 | Rosenberg |
D391518 | March 3, 1998 | Slowinski et al. |
D402582 | December 15, 1998 | Ambar |
D422934 | April 18, 2000 | Quijo |
D423396 | April 25, 2000 | Wolf |
712155 | October 2000 | Seddon |
2270270 | January 1942 | Clare |
3490250 | January 1970 | Jones |
3796065 | March 1974 | Watermeyer |
4020649 | May 3, 1977 | Grossbard |
4118949 | October 10, 1978 | Grossbard |
4118950 | October 10, 1978 | Grossbard |
4555916 | December 3, 1985 | Grossbard |
5186024 | February 16, 1993 | Waters, Jr. |
5657646 | August 19, 1997 | Rosenberg |
5970744 | October 26, 1999 | Greeff |
- Peinarr, H.S., “A New Standard Mixed Cut for Diamonds”, Gems and Gemology, Winter, 1971-72.
- “New Radiant Cut Dazzles With Fire”, The Radiant Cut Diamond Corp., 15 W. 47 th St., New York, New York 10036 Oct. 1978.
- Der Barion—Diamantschliff, Dec. 1977, p. 2.
- GIA Gem Trade Laboratory Diamond Grading Report No. 0421726 for Cut-Cornered Rectangular Mixed-Cut, dated Jul.30, 1998.
Patent History
Patent number: D442114
Type: Grant
Filed: Dec 1, 1998
Date of Patent: May 15, 2001
Assignee: Tiffany and Company (New York, NY)
Inventor: Robert S. Greeff (Norwalk, CT)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firms: Peter J. Phillips, Cooper & Dunham LLP
Application Number: 29/097,191
Type: Grant
Filed: Dec 1, 1998
Date of Patent: May 15, 2001
Assignee: Tiffany and Company (New York, NY)
Inventor: Robert S. Greeff (Norwalk, CT)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firms: Peter J. Phillips, Cooper & Dunham LLP
Application Number: 29/097,191
Classifications