Third power chess board

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

FIG. 1 is a perspective view of the third power chess board of my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

FIGS. 2-7 are shown on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D172796 August 1954 Kaye et al.
3656756 April 1972 Gribbon, Jr.
3664671 May 1972 Davis III
5249805 October 5, 1993 Neil et al.
5443268 August 22, 1995 Mayfield et al.
Patent History
Patent number: D407124
Type: Grant
Filed: May 21, 1998
Date of Patent: Mar 23, 1999
Inventor: James A. Melander (Anoka, MN)
Primary Examiner: Sandra L. Morris
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/88,372
Classifications
Current U.S. Class: Vertical (D21/337); Rectangular Or Square Perimeter (D21/349)
International Classification: 2101;