Building block
Latest Youth Toy Enterprise Co. Ltd. Patents:
Description
Claims
The ornamental design for a building block, as shown and described.
Referenced Cited
U.S. Patent Documents
4171590 | October 23, 1979 | Fischer |
4377916 | March 29, 1983 | Komiya |
4392323 | July 12, 1983 | Rubik |
4484406 | November 27, 1984 | Matsumoto et al. |
D313437 | January 1, 1991 | Andersen |
5019010 | May 28, 1991 | Nikaido et al. |
5035666 | July 30, 1991 | Kang |
5746638 | May 5, 1998 | Shiraishi |
6034821 | March 7, 2000 | Schenfeld et al. |
6679780 | January 20, 2004 | Shih |
D505164 | May 17, 2005 | McCabe |
20050191932 | September 1, 2005 | Lin |
Patent History
Patent number: D544552
Type: Grant
Filed: Jun 17, 2005
Date of Patent: Jun 12, 2007
Assignee: Youth Toy Enterprise Co. Ltd.
Inventor: Fu-Chi Lin (Taipei Hsien)
Primary Examiner: Holly H. Baynham
Assistant Examiner: Cynthia M. Chin
Application Number: 29/232,288
Type: Grant
Filed: Jun 17, 2005
Date of Patent: Jun 12, 2007
Assignee: Youth Toy Enterprise Co. Ltd.
Inventor: Fu-Chi Lin (Taipei Hsien)
Primary Examiner: Holly H. Baynham
Assistant Examiner: Cynthia M. Chin
Application Number: 29/232,288
Classifications
Current U.S. Class:
Wedge, Pyramid, Or Triangular (D21/505)