Square puzzle

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Description

FIG. 1 is a top plan view of a square puzzle showing my new design;

FIG. 2 is a top plan view of a modified form of the design shown in FIG. 1.

The unshown side of the design and the modified form thereof is substantially a mirror image of the side shown. The claimed design and modified form thereof is substantially flat and thin and two dimensional.

Referenced Cited
U.S. Patent Documents
2885207 May 1959 Wormser
Foreign Patent Documents
1526 October 1889 CHX
1525 November 1889 CHX
10776 of 1891 GBX
Other references
  • Creative Puzzles of the World, .COPYRGT.1978, Harry Abrams, Inc., New York, pp. 31 and 38.
Patent History
Patent number: D265919
Type: Grant
Filed: Dec 23, 1977
Date of Patent: Aug 24, 1982
Inventor: Klaus W. Spiecker (Comte Frontenac, Quebec)
Primary Examiner: Charles A. Rademaker
Law Firm: Stevens, Davis, Miller & Mosher
Application Number: 5/864,154
Classifications
Current U.S. Class: D21/104; D21/107
International Classification: D2101;