Wall block

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Description

FIG. 1 is a top perspective view of a wall block;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear side elevational view thereof.

The broken lines in the figures depict portions of the wall block that form no part of the claimed design.

Claims

The ornamental design for a wall block, as shown and described.

Referenced Cited
U.S. Patent Documents
1593297 July 1926 Gilmer
2316819 April 1943 Tedrow
4229920 October 28, 1980 Lount
4263765 April 28, 1981 Maloney
4703602 November 3, 1987 Pardo
4706429 November 17, 1987 Young
4765109 August 23, 1988 Boeshart
4884382 December 5, 1989 Horobin
4894969 January 23, 1990 Horobin
5428933 July 4, 1995 Philippe
5688078 November 18, 1997 Hammer
5735643 April 7, 1998 Castonguay et al.
5788423 August 4, 1998 Perkins
5845448 December 8, 1998 Potvin
D404146 January 12, 1999 Perkins
5878545 March 9, 1999 Gebhart
5930964 August 3, 1999 Boehning
5934035 August 10, 1999 Rasmussen et al.
6062772 May 16, 2000 Perkins
6148576 November 21, 2000 Janopaul, Jr.
6230462 May 15, 2001 Beliveau
6314697 November 13, 2001 Moore, Jr.
6318040 November 20, 2001 Moore, Jr.
6363683 April 2, 2002 Moore, Jr.
6401419 June 11, 2002 Beliveau
6526713 March 4, 2003 Moore, Jr.
6536994 March 25, 2003 Race
6615561 September 9, 2003 MacDonald et al.
6668503 December 30, 2003 Beliveau
6792729 September 21, 2004 Beliveau
6820384 November 23, 2004 Pfeiffer
D508739 August 23, 2005 Shillingburg
D509911 September 20, 2005 Shillingburg
6978581 December 27, 2005 Spakousky
7082731 August 1, 2006 Patz et al.
7082732 August 1, 2006 Titishov
7168892 January 30, 2007 MacDonald et al.
7410328 August 12, 2008 Hamel
7415805 August 26, 2008 Nickerson
7827752 November 9, 2010 Scherer
7963727 June 21, 2011 Wauhop
8234828 August 7, 2012 MacDonald
D672886 December 18, 2012 MacDonald
8511024 August 20, 2013 MacDonald et al.
8656678 February 25, 2014 MacDonald
8800227 August 12, 2014 Leblang
D773693 December 6, 2016 Karau
20030074856 April 24, 2003 Hammer
20050252144 November 17, 2005 MacDonald et al.
20050252146 November 17, 2005 MacDonald et al.
20070044426 March 1, 2007 Deans
20070151190 July 5, 2007 Huff et al.
20080289282 November 27, 2008 MacDonald
20080313988 December 25, 2008 MacDonald
20090151281 June 18, 2009 MacDonald et al.
20110072753 March 31, 2011 MacDonald
20110078978 April 7, 2011 Wauhop
20110243669 October 6, 2011 Friederichs
20110318100 December 29, 2011 Rainey
Foreign Patent Documents
85895 February 1999 CA
WO 2011/109621 September 2011 WO
Other references
  • Oct. 23, 2017 PCT Invitation to Pay Additional Fees in corresponding International Application No. PCT/US2017/042761 (12 pages).
  • Jan. 2, 2018 PCT Transmittal of the International Search Report and the Written Opinion in corresponding International Application No. PCT/US2017/042761 (16 pages).
  • Sep. 20, 2017 Examiner's Report from corresponding Canadian Industrial Design Application No. 172560 (15 pages).
Patent History
Patent number: D812781
Type: Grant
Filed: Jul 21, 2016
Date of Patent: Mar 13, 2018
Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC (West Chester, OH)
Inventors: Robert A. MacDonald (Plymouth, MN), Robert John Lundell (Stillwater, MN)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Leanne Was-Englehart
Application Number: 29/571,768
Classifications