Stackable wall block

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Description

FIG. 1 is a perspective view of a stackable wall block showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a bottom view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a side view thereof.

Claims

I claim the ornamental design for a stackable wall block, as shown.

Referenced Cited
U.S. Patent Documents
1260024 March 1918 Parton
1795451 March 1931 Sharpe
1816916 August 1931 Sentrop
5622456 April 22, 1997 Risi et al.
5647185 July 15, 1997 Forlini
D403437 December 29, 1998 Risi et al.
D405193 February 2, 1999 Scales
D466229 November 26, 2002 Risi et al.
D479342 September 2, 2003 Dawson
6651401 November 25, 2003 Price et al.
D485371 January 13, 2004 Burgess et al.
7059808 June 13, 2006 Risi
7096635 August 29, 2006 Price
Other references
  • “Classic” product literature, Rockwood Retaining Walls, 12 pgs., 1997.
Patent History
Patent number: D539439
Type: Grant
Filed: May 19, 2006
Date of Patent: Mar 27, 2007
Assignee: Rockwood Retaining Walls, Inc. (Rochester, MN)
Inventor: Brian A. Price (Rochester, MN)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Gregory Andoll
Attorney: Patterson, Thuente, Skaar & Christensen, P.A.
Application Number: 29/260,136