Three dimensional checkerboard

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Description

FIG. 1 is a perspective view of a three dimensional checkerboard showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D308549 June 12, 1990 Gengler
1877154 September 1932 Weaver
3684285 August 1972 Kane
5249805 October 5, 1993 Neil et al.
Foreign Patent Documents
1460250 December 1976 GBX
Other references
  • Crestline Brochure, 1970, No. 501 Checkline Tic-Tac-Toe Game, top.
Patent History
Patent number: D348908
Type: Grant
Filed: Dec 21, 1992
Date of Patent: Jul 19, 1994
Inventor: Michael Seiler (Plainview, NY)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorney: Edward H. Loveman
Application Number: 0/2,764
Classifications
Current U.S. Class: D21/23