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Publication numberUSD468450 S1
Publication typeGrant
Application numberUS 29/160,347
Publication dateJan 7, 2003
Filing dateMay 8, 2002
Priority dateJul 7, 1999
Also published asUSD475143
Publication number160347, 29160347, US D468450 S1, US D468450S1, US-S1-D468450, USD468450 S1, USD468450S1
InventorsThomas S. Hammer
Original AssigneeWestblock Systems, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Retaining wall block
US D468450 S1
Abstract  available in
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  1. I claim the ornamental design for a retaining wall block, as shown and described.

FIG. 1 is perspective view of a retaining wall block embodying my new design, as viewed toward the front, top and one side of the block;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is rear elevational view thereof.

Non-Patent Citations
1Anchor Vertica™ & Vertica Pro™ (2 page flyer), Anchor Wall Systems, Inc. (1993).
2Cottage Stone, manufactured and sold by Mutual Materials Co. of Seattle, WA before Jul. 7, 1998, photos attached.
3Diamond Wall System flyer entitled The Cutting Edge (4 page flyer), Block Systems, Inc. (1989).
4Dura-Crib® flyer entitled Interlocking Retaining Wall System no date.
5Dura-Hold® flyer entitled Interlocking Retaining Wall System for Heavy Duty Protection no date.
6NurseryStone (old), manufactured and sold by Westblock Systems, Inc. and its affiliates before Jul. 7, 1998, 2 photos attached.
7One page flyer, Diamond Wall System "Tech Spec" dated Sep., 1988, Anchor Block Company, St. Paul, Minnesota and Oscar Roberts Concrete Products, Brooklyn Park, Minnesota.
8Photos (Exhibit A) entitled Segmental Retaining Wall Units (NurseryStone and Jumbo Nursery Stone), marketed by Westblock Pacific LLC before Jul., 1998.
9PISA II® flyer entitled Interlocking Retaining Wall System for Garden Landscaping no date.
10Rockwood Classic Retaining Wall System (1 page flyer).
11The Westcon Report (1 page flyer).
12Westblock Systems, Inc. flyer entitled Jumbo Nursery Stone—Hard Working Retaining Walls (2 page flyer) published before Jul. 7, 1998.
13Westblock Systems, Inc. flyer entitled NurseryStone—Simply Beautiful—Simply Installed (color flyer—two pages) published in approximately 1996-1997.
14Windsor Stone (4 page flyer), Block Systems, Inc. (1992).
15Windsor Stone, manufactured and sold by Anchor Block Co. of St. Paul, Minnesota, before Jul. 7, 1998, 2 photos attached.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US20040161307 *Dec 4, 2003Aug 19, 2004Westblock Systems, Inc.Hybrid retaining wall system
US20090090077 *Oct 3, 2007Apr 9, 2009Sci MaterialsRetaining wall block and system
US20100132298 *Sep 18, 2009Jun 3, 2010Sci MaterialsRetaining wall block and system
US20100303555 *Dec 2, 2010Allan John HerseConcrete block for wall, walls having such blocks, and methods
U.S. ClassificationD25/118