Gemstone

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side view of a first embodiment of a gemstone according to the present invention;

FIG. 2 is a top view of the gemstone of FIG. 1;

FIG. 3 is a bottom view of the gemstone of FIG. 1;

FIG. 4 is a side view of a second embodiment of the gemstone according to the present invention;

FIG. 5 is a top view of the gemstone of FIG. 4; and,

FIG. 6 is a bottom view of the gemstone of FIG. 4.

The broken lines are provide for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design of a gemstone, as shown and described.

Referenced Cited
U.S. Patent Documents
D140283 February 1945 Heller
D141258 May 1945 Fine
D141259 May 1945 Fine
D143470 January 1946 Fine
3286486 November 1966 Huisman et al.
3490250 January 1970 Jones
3585764 June 1971 Huisman
3763665 October 1973 Polakiewicz
3788097 January 1974 Elbe
3875760 April 1975 Jones
D238355 January 1976 Pierson
4118949 October 10, 1978 Grossbard
D330873 November 10, 1992 Kaplan
D333108 February 9, 1993 Akselrod
D354014 January 3, 1995 Cohen
5533364 July 9, 1996 Freilich
5657646 August 19, 1997 Rosenberg
5657647 August 19, 1997 Freiesleben
5761929 June 9, 1998 Freilich
6006548 December 28, 1999 Freilich
D419104 January 18, 2000 Ceulemans
D431492 October 3, 2000 Wagemans
Other references
  • Diamonds 2nd ed. Eric Bruton F.G.A. “Magna Cut” on p. 222, 1981.
Patent History
Patent number: D453120
Type: Grant
Filed: Oct 17, 2000
Date of Patent: Jan 29, 2002
Assignee: Continental Jewelry (USA) Inc. (New York, NY)
Inventor: Nai Yan Cheng (Kowloon)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Baker Botts L.L.P.
Application Number: 29/131,227
Classifications
Current U.S. Class: Faceted (D11/90)
International Classification: 1101;