Wall block

Description

FIG. 1 is a perspective view of a first embodiment of the wall block showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a sectional view taken along the line 6--6 of FIG. 2;

FIG. 7 is a sectional view taken along the line 7--7 of FIG. 3;

FIG. 8 is a second modification of the wall block of my new design;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a bottom view of FIG. 8;

FIG. 11 is a front view of FIG. 8;

FIG. 12 is a rear view of FIG. 8;

FIG. 13 is a sectional view taken along the line 13--13 of FIG. 9;

FIG. 14 is a sectional view taken along the line 14--14 of FIG. 10;

FIG. 15 is a perspective view of a third embodiment of the wall block of my new design;

FIG. 16 is a top view of FIG. 15;

FIG. 17 is a bottom view of FIG. 15;

FIG. 18 is a front view of FIG. 15;

FIG. 19 is a rear view of FIG. 15;

FIG. 20 is a sectional view taken along the line 20--20 of FIG. 16;

FIG. 21 is a sectional view taken along the line 21--21 of FIG. 17;

FIG. 22 is a perspective view of a fourth embodiment of the wall block of my new design;

FIG. 23 is a top view of FIG. 22;

FIG. 24 is a bottom view of FIG. 22;

FIG. 25 is a front view of FIG. 22;

FIG. 26 is a rear view of FIG. 22;

FIG. 27 is a sectional view taken along the line 27--27 of FIG. 23;

FIG. 28 is a sectional view taken along the line 28--28 of FIG. 24;

FIG. 29 is a perspective view of a fifth embodiment of the wall block of my new design;

FIG. 30 is a top view of FIG. 29;

FIG. 31 is a bottom view of FIG. 29;

FIG. 32 is a front view of FIG. 29;

FIG. 33 is a rear view of FIG. 29;

FIG. 34 is a sectional view taken along the line 34--34 of FIG. 30; and

FIG. 35 is a sectional view taken along the line 35--35 of FIG. 31.

Claims

The ornamental design of a wall block, substantially as shown and described.

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Inventors:	Forsberg; Paul J. (Richfield, MN)
Assignee:	Keystone Retaining Wall Systems, Inc. (Edina, MN)
Appl. No.:	06/869,933
Filed:	June 2, 1986

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Current U.S. Class:	D25/114
Field of Search:	;405/284,285,286,33 ;404/41,42,34 ;52/608,605 ;D25/113,114,58

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References Cited [Referenced By]

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U.S. Patent Documents

126547	May 1872	Hickcox
228052	May 1880	Frost
D237704	November 1975	Lane
566924	September 1896	Morrin
810748	January 1906	Haller et al.
1092621	April 1914	Worner
1414444	May 1922	Straight
1456498	May 1923	Binns
2235646	March 1941	Schaffer
2963828	December 1960	Belliveau
3036407	May 1962	Dixon
3274742	September 1966	Paul, Jr. et al.
3390502	July 1968	Carroll
3430404	March 1969	Muse
3557505	March 1969	Muse
3936987	January 1971	Kaul
3995434	December 1976	Kato et al.
4016693	April 1977	Warren
4110948	September 1978	Cambiuzzi et al.
4207718	June 1980	Schaaf et al.
4208850	June 1980	Collier
4228628	October 1980	Schlomann
4229123	October 1980	Heinzmann
4335549	June 1982	Dean
4454699	June 1984	Strobl
4524551	June 1985	Scheiwiller
4572699	February 1986	Rinninger

Foreign Patent Documents

	392474		Nov 1908		FR
	1385207		Feb 1975		GB

Other References

The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924. . The Besser Company Bulletin, Feb. 1985..

Primary Examiner: Word; A. Hugo
Attorney, Agent or Firm: Burd, Bartz & Gutenkauf