Multiple level chess board

Description

FIG. 1 is an isometric view of a multiple level chess board showing my new design;

FIG. 2 is a typical side view thereof;

FIG. 3 is a top view thereof; and

FIG. 4 is a typical end view thereof.

Referenced Cited
U.S. Patent Documents
D200109 January 1965 Hirsch
D210542 March 1968 Stookey
D215103 September 1969 Stevens
D219155 November 1970 Gribbon, Jr.
D226669 April 1973 Culver
D242271 November 1976 Harvey
D263245 March 2, 1982 Bonser
1877154 September 1932 Weaver
3399895 September 1968 Beach
3781014 December 1973 Kolwicz
4179127 December 18, 1979 Goodman
4249740 February 10, 1981 Cheney
4348027 September 7, 1982 Escamilla
4504060 March 12, 1985 Riihiluoma
Patent History
Patent number: D308549
Type: Grant
Filed: Mar 27, 1987
Date of Patent: Jun 12, 1990
Inventor: Walter M. Gengler (Beloit, KS)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: W. Krawczewicz
Attorney: Terry M. Gernstein
Application Number: 7/30,542
Classifications
Current U.S. Class: D21/23