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Publication numberUSD300254 S
Publication typeGrant
Application numberUS 07/202,993
Publication date14 Mar 1989
Filing date6 Jun 1988
Publication number07202993, 202993, US D300254 S, US D300254S, US-S-D300254, USD300254 S, USD300254S
InventorsPaul J. Forsberg
Original AssigneeKeystone Retaining Wall Systems, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Retaining wall block
US D300254 S
Abstract  available in
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  1. The ornamental design for a retaining wall block, as shown and described.

FIG. 1 is a bottom front perspective view of a retaining wall block of my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

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

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

Non-Patent Citations
1Concrete Masonry Pictorial, vol. 33, No. 3 C 1977, p. 35.
2The Besser Company brochure "Modular Concrete Block", 1984, pp. 18-19.
3The Besser Company brochure "Paving Stone", Jun. 1984, pp.
4The Besser Company Bulletin, Feb. 1985.
5The Hollow Building Tile Assoc, Handbook, p. 11, Jan. 1924.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5017049 *26 Jul 199021 May 1991Block Systems Inc.Composite masonry block
US5294216 *6 Feb 199115 Mar 1994Anchor Wall Systems, Inc.Composite masonry block
US5487623 *18 Aug 199330 Jan 1996Societe Civile Des Brevets Henri C. VidalModular block retaining wall construction and components
US5589124 *6 Jun 199531 Dec 1996Block Systems, Inc.Method of forming composite masonry blocks
US5624211 *14 Feb 199429 Apr 1997Societe Civile Des Brevets Henri C. VidalModular block retaining wall construction and components
US6142713 *25 Sep 19987 Nov 2000Anchor Wall Systems, Inc.Composite masonry block
US616835327 Aug 19982 Jan 2001Rockwood Retaining Walls, Inc.Retaining wall and method of wall construction
US61787041 Jul 199930 Jan 2001Anchor Wall Systems, Inc.Splitting technique
US61831683 Feb 20006 Feb 2001Anchor Wall Systems, Inc.Composite masonry block
US625085019 Aug 199926 Jun 2001Rockwood Retaining Walls, Inc.Block with multifaceted bottom surface
US631219718 Sep 20006 Nov 2001Anchor Wall Systems, Inc.Composite masonry block
US71247546 Aug 200424 Oct 2006Custom Precast & Masonry, Inc.Method and device for creating a decorative block feature
US716821811 Jun 200430 Jan 2007David Stalder SpratlenMortarless fence block system
US782336024 May 20072 Nov 2010Jared CottleOpen core building blocks system
US827281217 Aug 200925 Sep 2012Smart Slope LlcRetaining wall system
US874595321 Sep 201210 Jun 2014Smart Slope, LlcRetaining wall system
US20040159065 *13 Feb 200419 Aug 2004Menard, Inc.Retaining wall block
U.S. ClassificationD25/114, D25/116