Cut cornered square mixed-cut gemstone

- Tiffany and Company
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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
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
Other references
  • 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
Classifications
Current U.S. Class: Faceted (D11/90)
International Classification: 1101;