Toy building block

Description

FIG. 1 is a top, plan view of a toy building block, showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side view thereof.

Referenced Cited
U.S. Patent Documents
D249230 September 5, 1978 Van Der Veken
1531542 March 1925 Cogshall
3466044 September 1969 Somerville
3510979 May 1970 Fischer
3513590 May 1990 Fischer
4160337 July 10, 1979 Fischer
4169332 October 2, 1979 Fischer
4171591 October 23, 1979 Fischer
Patent History
Patent number: D370503
Type: Grant
Filed: Feb 14, 1994
Date of Patent: Jun 4, 1996
Assignees: William R. Burns (Berkeley, CA), Naomi Kane (Berkeley, CA)
Inventor: William R. Burns (Berkeley, CA)
Primary Examiner: Ted Shooman
Assistant Examiner: R. Barkai
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 0/18,674
Classifications
Current U.S. Class: D21/108