Building block

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The building block of this Design is combined with other building blocks to make various toys. The article of this Design is made of plastics.

FIG. 1 is a perspective view of the building block of this Design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a sectional view along line A—A of FIG. 3;

FIG. 6 is a sectional view along line B—B of FIG. 2;

FIG. 7 is a view showing how the building block is used; and,

FIG. 8 is a sectional view along line X—X of FIG. 7 and showing how the building block is used.

The back, plan and bottom views are omitted because they are identical to the front view.


The ornamental design for building block, as shown and described.

Referenced Cited
U.S. Patent Documents
1678709 July 1928 Schurmann
D233541 November 1974 Christiansen
4793725 December 27, 1988 Cheng
5487690 January 30, 1996 Stoffle et al.
6015149 January 18, 2000 Burk
6168494 January 2, 2001 Engel et al.
Patent History
Patent number: D474513
Type: Grant
Filed: Sep 4, 2002
Date of Patent: May 13, 2003
Assignee: Yoshiritsu Kabushiki Kaisha (Nara)
Inventor: Yoshiie Kichijo (Nara)
Primary Examiner: Raphael Barkai
Attorney, Agent or Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/166,695
Current U.S. Class: Curved Surface (D21/503)
International Classification: 2101;