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Publication numberUSD297574 S
Publication typeGrant
Application numberUS 06/869,933
Publication date6 Sep 1988
Filing date2 Jun 1986
Publication number06869933, 869933, US D297574 S, US D297574S, US-S-D297574, USD297574 S, USD297574S
InventorsPaul J. Forsberg
Original AssigneeKeystone Retaining Wall Systems, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Wall block
US D297574 S
Abstract  available in
Images(10)
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Claims(1)
  1. The ornamental design of a wall block, substantially as shown and described.
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.

Non-Patent Citations
Reference
1The Besser Company Bulletin, Feb. 1985.
2The 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
US549036313 Oct 199413 Feb 1996Anchor Wall Sytems, Inc.Composite masonry block
US55405256 Jun 199430 Jul 1996The Tensar CorporationModular block retaining wall system and method of constructing same
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
US570418323 May 19956 Jan 1998Anchor Wall Systems, Inc.Composite masonry block
US570906215 Jul 199620 Jan 1998Anchor Wall Systems, Inc.Composite masonry block
US57111294 May 199527 Jan 1998Anchor Wall Systems, Inc.Masonry block
US57951057 Jun 199518 Aug 1998Anchor Wall Systems, Inc.Composite masonry block
US58270152 Sep 199727 Oct 1998Anchor Wall Systems, Inc.Composite masonry block
US58796038 Nov 19969 Mar 1999Anchor Wall Systems, Inc.Process for producing masonry block with roughened surface
US602994328 Feb 199729 Feb 2000Anchor Wall Systems, Inc.Splitting technique
US61133187 Aug 19985 Sep 2000Anchor Wall Systems, Inc.Composite masonry block
US614271325 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
US64884487 Jan 20003 Dec 2002Kiltie Corp.Block module
US661638217 Sep 20019 Sep 2003Anchor Wall Systems, Inc.Composite masonry block
US696004828 Aug 20021 Nov 2005Kiltie CorporationModular segmented retaining wall
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
US722923531 Aug 200512 Jun 2007Kiltie CorporationRetaining wall system
US724407915 Sep 200517 Jul 2007Kiltie CorporationRetaining wall system
US782336024 May 20072 Nov 2010Jared CottleOpen core building blocks system
US20050284077 *11 Jun 200429 Dec 2005Spratlen David SMortarless fence block system
US20060002769 *31 Aug 20055 Jan 2006Kiltie CorporationRetaining wall system
US20060153647 *8 Dec 200513 Jul 2006Woolford Michael EComposite masonry block
US20070258776 *24 Apr 20068 Nov 2007Strand Todd PRetaining wall systems
USD44551227 Oct 199724 Jul 2001Anchor Wall Systems, Inc.Retaining wall block
USD4586938 Nov 199611 Jun 2002Anchor Wall Systems, Inc.Retaining wall block
Classifications
U.S. ClassificationD25/114