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Publication numberUSD296365 S
Publication typeGrant
Application numberUS 06/909,097
Publication date21 Jun 1988
Filing date18 Sep 1986
Publication number06909097, 909097, US D296365 S, US D296365S, US-S-D296365, USD296365 S, USD296365S
InventorsPaul J. Forsberg
Original AssigneeKeystone Retaining Wall Systems, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Construction block
US D296365 S
Abstract  available in
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  1. The ornamental design for a construction block, as shown.

FIG. 1 is a perspective view of the construction block showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom 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 the line 6--6 of FIG. 3; and

FIG. 7 is a sectional view taken along the line 7--7 of FIG. 2.

Non-Patent Citations
1The Besser Company brochure, "Modular Concrete Block", 1984.
2The Besser Company brochure, "Paving Stone", Jun. 1984.
3The Besser Company bulletin, Feb. 1985.
4The 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
US5062610 *7 Jun 19905 Nov 1991Block Systems Inc.Composite masonry block mold for use in block molding machines
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
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US61831683 Feb 20006 Feb 2001Anchor Wall Systems, Inc.Composite masonry block
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US77801419 Jan 200424 Aug 2010Keystone Retaining Wall Systems, Inc.Mold box for making first and second wall blocks
US782336024 May 20072 Nov 2010Jared CottleOpen core building blocks system
US813298819 Jul 201013 Mar 2012Keystone Retaining Wall Systems, Inc.Retaining wall block
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
US20050016106 *9 Jan 200427 Jan 2005Dawson William B.Method of making wall block
U.S. ClassificationD25/116