Retaining wall block

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Description

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.

Claims

I claim the ornamental design for a retaining wall block, as shown and described.

Referenced Cited
U.S. Patent Documents
1419805 June 1922 Bigler
3444694 May 1969 Frehner
4126979 November 28, 1978 Hancock
4175888 November 27, 1979 Ijima
D280024 August 6, 1985 Risi et al.
D296007 May 31, 1988 Forsberg
D298463 November 8, 1988 Forsberg
D299069 December 20, 1988 Risi et al.
D300253 March 14, 1989 Forsberg
D300254 March 14, 1989 Forsberg
D301064 May 9, 1989 Forsberg
4909010 March 20, 1990 Gravier
D311444 October 16, 1990 Forsberg
4964761 October 23, 1990 Rossi
D317048 May 21, 1991 Forsberg
D317209 May 28, 1991 Forsberg
5031376 July 16, 1991 Bender
5044834 September 3, 1991 Janopaul, Jr.
5062610 November 5, 1991 Woolford et al.
5294216 March 15, 1994 Sievert
5350256 September 27, 1994 Hammer
5505034 April 9, 1996 Dueck
D380560 July 1, 1997 Forsberg
5688078 November 18, 1997 Hammer
D433158 October 31, 2000 Hammer
Foreign Patent Documents
531354 October 1956 CA
1188116 June 1985 CA
0 215 991 April 1987 EP
0 362 110 April 1990 EP
CH 663437 December 1987 SE
Other references
  • Cottage Stone, manufactured and sold by Mutual Materials Co. of Seattle, WA before Jul. 7, 1998, photos attached.
  • Windsor Stone, manufactured and sold by Anchor Block Co. of St. Paul, Minnesota, before Jul. 7, 1998, 2 photos attached.
  • NurseryStone (old), manufactured and sold by Westblock Systems, Inc. and its affiliates before Jul. 7, 1998, 2 photos attached.
  • Westblock Systems, Inc. flyer entitled NurseryStone—Simply Beautiful—Simply Installed (color flyer—two pages) published in approximately 1996-1997.
  • One page flyer, Diamond Wall System “Tech Spec” dated Sep., 1988, Anchor Block Company, St. Paul, Minnesota and Oscar Roberts Concrete Products, Brooklyn Park, Minnesota.
  • Westblock Systems, Inc. flyer entitled Jumbo Nursery Stone—Hard Working Retaining Walls (2 page flyer) published before Jul. 7, 1998.
  • Photos (Exhibit A) entitled Segmental Retaining Wall Units ( NurseryStone and Jumbo Nursery Stone ), marketed by Westblock Pacific LLC before Jul., 1998.
  • Rockwood Classic Retaining Wall System (1 page flyer).
  • Diamond Wall System flyer entitled The Cutting Edge (4 page flyer), Block Systems, Inc. (1989).
  • Windsor Stone (4 page flyer), Block Systems, Inc. (1992).
  • Anchor Vertica™ & Vertica Pro™ (2 page flyer), Anchor Wall Systems, Inc. (1993).
  • The Westcon Report (1 page flyer).
  • PISA II® flyer entitled Interlocking Retaining Wall System for Garden Landscaping no date.
  • Dura-Hold® flyer entitled Interlocking Retaining Wall System for Heavy Duty Protection no date.
  • Dura-Crib® flyer entitled Interlocking Retaining Wall System no date.
Patent History
Patent number: D468450
Type: Grant
Filed: May 8, 2002
Date of Patent: Jan 7, 2003
Assignee: Westblock Systems, Inc. (Salem, OR)
Inventor: Thomas S. Hammer (Portland, OR)
Primary Examiner: Ian Simmons
Assistant Examiner: Robert A. Delehanty
Attorney, Agent or Law Firm: Klarquist Sparkman, LLP
Application Number: 29/160,347
Classifications
Current U.S. Class: Rectangular Or Square Detail (D25/118)
International Classification: 2501;