Cut stone

- Preciosa a.s.
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Description

FIG. 1 is a front, perspective view of a first embodiment of a cut stone showing a twelve sided chaton rose having a girdle at the base of my new design;

FIG. 2 is a front, elevational view of the first embodiment of the cut stone of FIG. 1, the rear side elevational view being the same;

FIG. 3 is a top plan view of the cut stone of FIG. 1, the bottom being flat and unornamented;

FIG. 4 is a front, perspective view of a second embodiment of a cut stone showing a sixteen sided chaton rose having a girdle at the base of my new design;

FIG. 5 is a front, elevational view of the second embodiment of the cut stone of FIG. 4, the rear side elevational view being the same; and,

FIG. 6 is a top plan view of the cut stone of FIG. 4, the bottom being flat and unornamented.

Referenced Cited
U.S. Patent Documents
D98249 January 1936 Goldblatt
D99568 May 1936 Cohn
D99779 May 1936 Cohn
138314 April 1873 Bruhl
D232965 September 1974 Atwell
D268653 April 19, 1983 Sun
D382506 August 19, 1997 Cohen
D407036 March 23, 1999 Reisigl
469496 February 1892 Bugbee
484934 October 1892 Jacobson
809531 January 1906 Schenck
2340659 February 1944 Goldstein
2364031 November 1944 Suderov
2519547 August 1950 Colbert et al.
3835665 September 1974 Kitchel
5612102 March 18, 1997 Nakama
Other references
  • "Brouseni a lesteni skla".sub.-- ("Cutting and Polishing of Glass"); written by Jiri Gotz, Dipl. Eng. et al.; issued by Statni nakladatelstvi technicke literatury; (State publisher of technical literature) in Prague; Chapter 5.2.2; pp. 270-271.
Patent History
Patent number: D435477
Type: Grant
Filed: Jul 20, 1998
Date of Patent: Dec 26, 2000
Assignee: Preciosa a.s. (Nisou)
Inventor: Jaroslav Kavalek (Liberec)
Primary Examiner: Ralf Seifert
Law Firm: Birch Stewart Kolasch & Birch, LLP
Application Number: 0/90,904
Classifications
Current U.S. Class: Faceted (D11/90)
International Classification: 1101;