Circular chess board

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Description

FIG. 1 is an environmental perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a top view of a second embodiment of the present invention;

FIG. 4 is a top view of a third embodiment of the present invention;

FIG. 5 is a top view of a fourth embodiment of the present invention;

FIG. 6 is a top view of a fifth embodiment of the present invention;

FIG. 7 is a top view of a sixth embodiment of the present invention;

FIG. 8 is a top view of a seventh embodiment of the present invention;

FIG. 9 is a bottom view of the present invention;

FIG. 10 is a left side view of the present invention, the right side view being a mirror image thereof; and,

FIG. 11 is a front view of the present invention, the back view being a mirror image thereof.

Claims

The ornamental design for a circular chess board, as shown and described.

Referenced Cited
U.S. Patent Documents
3851883 December 1974 Hitchcock et al.
D236321 August 1975 Cromoga
D236515 August 1975 Squiers
D243203 January 25, 1977 Wilkins
4553756 November 19, 1985 Linnekin
4804191 February 14, 1989 Tankersley
4886279 December 12, 1989 Taylor
D306322 February 27, 1990 Kropfl
4991856 February 12, 1991 Hoerbelt
5310195 May 10, 1994 Abdallah
D356604 March 21, 1995 Miccio
D376824 December 24, 1996 King
Patent History
Patent number: D456456
Type: Grant
Filed: Aug 15, 2000
Date of Patent: Apr 30, 2002
Inventors: Alan Roy Mattlage (Takoma Park, MD), Martin Raymond Mattlage (St. Louis, MO)
Primary Examiner: Sandra L. Morris
Attorney, Agent or Law Firms: Michael L. Greenberg, Greenberg & Lieberman
Application Number: 29/127,850
Classifications
Current U.S. Class: Checkerboard Type (D21/348); Circular Perimeter (D21/362)
International Classification: 2101;