FIG. 1 is a perspective view of a landscaping block;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front side elevational view thereof, a rear side elevational view being a mirror image;
FIG. 4 is a left side elevational view thereof, a right side elevational view being a mirror image; and,
FIG. 5 is a bottom plan view thereof.
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 1794572,  | 
	  | 
	  | 
	  | 
	 
    
	 | 1949079,  | 
	  | 
	  | 
	  | 
	 
    
	 | 2131803,  | 
	  | 
	  | 
	  | 
	 
    
	 | 4094380,  | 
	 Jun 03 1976 | 
	 Chiyoda Chemical Engineering & Construction Co., Ltd. | 
	 Multi layer sound-proofing structure | 
	 
    
	 | 5252017,  | 
	 Jan 30 1991 | 
	 Wedgerock Corporation | 
	 Setback retaining wall and concrete block and offset pin therefor | 
	 
    
	 | 5568994,  | 
	 May 19 1994 | 
	 MELLON BANK, N A  | 
	 Landscaping block | 
	 
    
	 | 5601384,  | 
	 Jun 07 1995 | 
	 MELLON BANK, N A  | 
	 Plantable retaining wall | 
	 
    
	 | 5865006,  | 
	 Jun 02 1997 | 
	 MELLON BANK, N A  | 
	 Retaining wall block and wall construction | 
	 
    
	 | 5913790,  | 
	 Jun 07 1995 | 
	 MELLON BANK, N A  | 
	 Plantable retaining wall block | 
	 
    
	 | 6149352,  | 
	 Feb 11 1999 | 
	 MELLON BANK, N A  | 
	 Retaining wall block system | 
	 
    
	 | 6178715,  | 
	 Dec 24 1996 | 
	 Designscape Enterprises Ltd. | 
	 Mortarless retaining wall structure with improved lateral and longitudinal reinforcement for a vertical, set forward and/or set back retaining wall in whole or in part constructed by utilizing standardized blocks | 
	 
    
	 | 6536994,  | 
	 Jul 12 2001 | 
	 Keystone Retaining Wall Systems, Inc.; KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Grooved retaining wall block and system | 
	 
    
	 | 6615561,  | 
	 Jun 07 2001 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Retaining wall block | 
	 
    
	 | 6709201,  | 
	 Jul 12 2001 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Grooved retaining wall block and system | 
	 
    
	 | 6803002,  | 
	 May 17 2002 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Method for making and treating wall blocks | 
	 
    
	 | 6821058,  | 
	 Jun 24 2003 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Retaining wall block system and connector | 
	 
    
	 | 6854231,  | 
	 Jul 12 2001 | 
	 Keystone Retaining Wall Systems, Inc.; KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Multi-channel retaining wall block and system | 
	 
    
	 | 6912823,  | 
	 Jul 12 2001 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Multi-channel retaining wall block and system | 
	 
    
	 | 7011474,  | 
	 Feb 11 1999 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Retaining wall block system | 
	 
    
	 | 7168892,  | 
	 May 14 1999 | 
	 MELLON BANK, N A  | 
	 Retaining wall block | 
	 
    
	 | 7448830,  | 
	 Oct 13 1998 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Retaining wall block | 
	 
    
	 | 7641178,  | 
	 Apr 29 2004 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Column block system | 
	 
    
	 | 7654776,  | 
	 Oct 13 1998 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Retaining wall block | 
	 
    
	 | 7687005,  | 
	 Jan 02 2003 | 
	 E  DILLON & COMPANY | 
	 Masonry unit manufacturing method | 
	 
    
	 | 7780141,  | 
	 Jul 21 2003 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Mold box for making first and second wall blocks | 
	 
    
	 | 7934351,  | 
	 May 09 2007 | 
	 KEYSTONE RETAINING WALL SYSTEMS LLC | 
	 Method of constructing a block wall | 
	 
    
	 | 7971407,  | 
	 May 21 2007 | 
	 Keystone Retaining Wall Systems, Inc.; KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Wall block and wall block system for constructing walls | 
	 
    
	 | 20060110223,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20070166102,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20080174049,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20080277561,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20080289282,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20080302350,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20080307740,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20080313988,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20090120029,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20090151281,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20090188196,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20090308015,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20090313936,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20100308502,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20100310695,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20110072753,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20110217127,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20110243669,  | 
	  | 
	  | 
	  | 
	 
    
	 | D278934,  | 
	 Jul 07 1981 | 
	  | 
	 Paving stone | 
	 
    
	 | D299971,  | 
	 Sep 17 1985 | 
	 Daniel Platt & Sons Limited | 
	 Tile | 
	 
    
	 | D366704,  | 
	 Oct 02 1990 | 
	 Hedgestone Holdings, Inc. | 
	 Textured paving stone | 
	 
    
	 | D380560,  | 
	 Jun 08 1987 | 
	 MELLON BANK, N A  | 
	 Three faceted broken front face of a retaining wall block | 
	 
    
	 | D381086,  | 
	 May 03 1995 | 
	 MELLON BANK, N A  | 
	 Front face of a retaining wall block | 
	 
    
	 | D384168,  | 
	 Oct 23 1995 | 
	 MELLON BANK, N A  | 
	 Plantable wall block | 
	 
    
	 | D387434,  | 
	 Jun 07 1995 | 
	 MELLON BANK, N A  | 
	 Front face of a plantable retaining wall block | 
	 
    
	 | D397230,  | 
	 May 03 1995 | 
	 MELLON BANK, N A  | 
	 Front face of a retaining wall | 
	 
    
	 | D397451,  | 
	 Oct 23 1995 | 
	 MELLON BANK, N A  | 
	 Section of a retaining wall with plantable blocks | 
	 
    
	 | D397808,  | 
	 Jul 25 1995 | 
	 MELLON BANK, N A  | 
	 Landscaping block | 
	 
    
	 | D430308,  | 
	 Nov 19 1998 | 
	 MELLON BANK, N A  | 
	 Retaining wall block | 
	 
    
	 | D451208,  | 
	 Jun 30 2000 | 
	 Urbanstone Pty Ltd. | 
	 Paver | 
	 
    
	 | D462785,  | 
	 Jul 30 2001 | 
	  | 
	 Flooring or paving stone | 
	 
    
	 | D479340,  | 
	 Nov 21 2001 | 
	  | 
	 Solar stepping stone | 
	 
    
	 | D488242,  | 
	 Jun 03 2003 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Landscaping block | 
	 
    
	 | D488568,  | 
	 Jun 03 2003 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Landscaping block | 
	 
    
	 | D488569,  | 
	 Nov 12 2002 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Landscaping block | 
	 
    
	 | D490542,  | 
	 Jun 03 2003 | 
	 Keystone Retaining Wall Systems, Inc. | 
	 Landscaping block | 
	 
    
	 | D501935,  | 
	 Jul 21 2003 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Wall block | 
	 
    
	 | D521654,  | 
	 Jan 06 2004 | 
	 Hector Tile Company, Inc. | 
	 Landscape edging blocks | 
	 
    
	 | D582056,  | 
	 Jan 03 2008 | 
	 KANN GmbH Baustoffwerke | 
	 Slab | 
	 
    
	 | D582057,  | 
	 Jan 03 2008 | 
	 KANN GmbH Baustoffwerke | 
	 Slab | 
	 
    
	 | D610710,  | 
	 Nov 07 2008 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Wall block | 
	 
    
	 | D618823,  | 
	 Nov 07 2008 | 
	  | 
	 Paver tile combination | 
	 
    
	 | D620615,  | 
	 Oct 16 2008 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Wall block | 
	 
    
	 | D645982,  | 
	 Mar 30 2009 | 
	 AMVIC INC  | 
	 Insulating building panel | 
	 
    
	 | D656244,  | 
	 Mar 01 2011 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Landscaping block | 
	 
    
	 | D656625,  | 
	 Mar 01 2011 | 
	 KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Landscaping block | 
	 
    
	 | D660460,  | 
	 Dec 07 2009 | 
	 MULY HOME, LP; Multy Home LP | 
	 Garden patio paver | 
	 
    
	 | D661408,  | 
	 Sep 08 2011 | 
	 Keystone Retaining Wall Systems, Inc.; KEYSTONE RETAINING WALL SYSTEMS, INC  | 
	 Patio stone | 
	 
    
	 | GB248234,  | 
	  | 
	  | 
	  | 
	 
    
	 | GB944066,  | 
	  | 
	  | 
	  | 
	 
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  
	  | Dec 19 2013 | MACDONALD, ROBERT A  | KEYSTONE RETAINING WALL SYSTEMS LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 034438 | /0070 | 
    pdf | 
    
    
| Dec 30 2013 | RICCOBENE, THOMAS S  | KEYSTONE RETAINING WALL SYSTEMS LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 034438 | /0070 | 
    pdf | 
    
    
| Mar 10 2014 |  | KEYSTONE RETAINING WALL SYSTEMS LLC | (assignment on the face of the patent) |  | / | 
    
    
    
| Dec 29 2014 | MACDONALD, ROBERT A  | KEYSTONE RETAINING WALL SYSTEMS LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 034751 | /0672 | 
    pdf | 
    
    
| Dec 29 2014 | RICCOBENE, THOMAS S  | KEYSTONE RETAINING WALL SYSTEMS LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 034751 | /0672 | 
    pdf | 
    
    
| Nov 15 2016 | KEYSTONE RETAINING WALL SYSTEMS LLC | Wells Fargo Bank, National Association, As Agent | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS   | 040852 | /0143 | 
    pdf | 
    
    
| Feb 10 2025 | United States Pipe and Foundry Company, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | THE QUIKRETE COMPANIES, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | Pavestone, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | KEYSTONE RETAINING WALL SYSTEMS LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | Forterra Pipe & Precast, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | FORTERRA CONCRETE PRODUCTS, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | CUSTOM BUILDING PRODUCTS, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | CONTECH ENGINEERED SOLUTIONS LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | BEST BLOCK, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf | 
    
    
| Feb 10 2025 | USP HOLDINGS, LLC | U S  BANK TRUST COMPANY, NATIONAL ASSOCIATION | PATENT SECURITY AGREEMENT | 070170 | /0919 | 
    pdf |