Building block

Description

FIG. 1 is a right side perspective of the building block of the design of the present invention;

FIG. 2 is a left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a right side perspective of a modified embodiment of the building block of the design of the present invention;

FIG. 10 is a left side perspective view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a left side elevational view thereof;

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
524212 August 1894 Porter
735079 August 1903 Fisher
1471943 October 1923 Chambers
2216915 October 1940 Johnson
2992829 July 1961 Hopkins
3303604 February 1967 Mote
3590499 July 1971 Rinehuls
3659360 May 1972 Zeischegg
3662486 May 1972 Preedman
4021939 May 10, 1977 May
4121831 October 24, 1978 Greene
4133538 January 9, 1979 Ambrose
4323244 April 6, 1982 Busing
4323245 April 6, 1982 Beaman
4334871 June 15, 1982 Roane
4753622 June 28, 1988 Nakama
4778392 October 18, 1988 Mitchell
4796888 January 10, 1989 Louez
5169352 December 8, 1992 Petersen
5221223 June 22, 1993 Kao
5306198 April 26, 1994 Forman
5417694 May 23, 1995 Rafelman
Foreign Patent Documents
25272220 December 1996 DEX
8135 1839 GBX
Patent History
Patent number: D404091
Type: Grant
Filed: Sep 30, 1996
Date of Patent: Jan 12, 1999
Inventor: Robert Nizza (Islip, NY)
Primary Examiner: Raphael Barkai
Attorney: Alfred Walker
Application Number: 0/60,451
Classifications
Current U.S. Class: Wedge, Pyramid, Or Triangular (D21/505)
International Classification: 2101;