Building block

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Description

FIG. 1 is a perspective view of a building block;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof, and which is identical to left side view (not shown);

FIG. 5 is a top view thereof; and,

FIG. 6 is a perspective view of a building block being connected together with other building blocks.

The features shown in broken lines form no part of the claimed invention.

Claims

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

Referenced Cited
U.S. Patent Documents
2659163 November 1953 Albee
3827695 August 1974 Hess
3992010 November 16, 1976 Mattenson
4185125 January 22, 1980 Sakakibara et al.
D310130 August 28, 1990 van Kooten
D370034 May 21, 1996 Kipfer
D375181 November 5, 1996 Tourney et al.
5580056 December 3, 1996 Clark
D403351 December 29, 1998 Yao et al.
D416936 November 23, 1999 Chin et al.
Patent History
Patent number: D728696
Type: Grant
Filed: May 2, 2014
Date of Patent: May 5, 2015
Inventor: Marcelina Nowak (Katowice)
Primary Examiner: Cynthia M Chin
Application Number: 29/489,758
Classifications
Current U.S. Class: Construction Type (e.g., Building Block) (D21/484)