Block puzzle
Description
The dotted lines are included for the purpose of illustrating surface features that form no part of the claimed design.
Claims
The ornamental design for the block puzzle, as shown and described.
Referenced Cited
U.S. Patent Documents
D29649 | November 1898 | Stein |
D128374 | July 1941 | Herman |
2278327 | March 1942 | Magnus et al. |
D151020 | September 1948 | Van Dyk |
2754620 | July 1956 | Gilbert et al. |
D238698 | February 1976 | Cook |
D298149 | October 18, 1988 | Hermans et al. |
5354224 | October 11, 1994 | Ishiyama |
D385311 | October 21, 1997 | Negahban |
20050067780 | March 31, 2005 | Sanyal et al. |
20060033272 | February 16, 2006 | Chen |
Patent History
Patent number: D596242
Type: Grant
Filed: Apr 17, 2007
Date of Patent: Jul 14, 2009
Inventors: Wayne Arthur Schwisow (Tacoma, WA), Dawne Lyons (Los Altos, CA)
Primary Examiner: Catherine Tuttle
Attorney: Morgan, Lewis & Bockius LLP
Application Number: 29/279,020
Type: Grant
Filed: Apr 17, 2007
Date of Patent: Jul 14, 2009
Inventors: Wayne Arthur Schwisow (Tacoma, WA), Dawne Lyons (Los Altos, CA)
Primary Examiner: Catherine Tuttle
Attorney: Morgan, Lewis & Bockius LLP
Application Number: 29/279,020
Classifications
Current U.S. Class:
Interfitting Elements (e.g., Take Apart And Put Together) (D21/479);
Stacking (D21/471)