Retaining wall block
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FIG. 1 is a 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 rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevational view thereof, the opposite side being a mirror image thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view of the front face and bottom of another retaining wall block embodying my new design as viewed toward the front, top and one side of the block;
FIG. 8 is a rear elevational view of the block of FIG. 7;
FIG. 9 is a top plan view of the block of FIG. 7;
FIG. 10 is a side elevational view of the block of FIG. 7, the opposite side being a mirror image thereof;
FIG. 11 is a front elevational view of the block of FIG. 7;
FIG. 12 is a sectional view of the block of FIG. 7 taken along the line 12--12 of FIG. 7; and,
FIG. 13 is a bottom plan view of the block of FIG. 7.
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 |
D311444 | October 16, 1990 | Forsberg |
D317048 | May 21, 1991 | Forsberg |
D317209 | May 28, 1991 | Forsberg |
D362511 | September 19, 1995 | Anderson et al. |
D380560 | July 1, 1997 | Forsberg |
1419805 | June 1922 | Bigler |
3444694 | May 1969 | Frehner |
4126979 | November 28, 1978 | Hancock |
4175888 | November 27, 1979 | Ijima |
4543893 | October 1, 1985 | Kunnecke |
4909010 | March 20, 1990 | Gravier |
4964761 | October 23, 1990 | Rossi |
5031376 | July 16, 1991 | Bender et al. |
5044834 | September 3, 1991 | Janopaul, Jr. |
5062610 | November 5, 1991 | Woolford et al. |
5294216 | March 15, 1994 | Sievert |
5353569 | October 11, 1994 | Rodrique |
5365714 | November 22, 1994 | Potvin |
5505034 | April 9, 1996 | Dueck |
5653558 | August 5, 1997 | Price |
5678958 | October 21, 1997 | Rossi |
5688078 | November 18, 1997 | Hammer |
5711129 | January 27, 1998 | Woolford |
531354 | October 1956 | CAX |
1188116 | June 1985 | CAX |
0 215 991 | April 1987 | EPX |
0 362 110 | April 1990 | EPX |
663437 | December 1987 | CHX |
- Cottage Stone, manufactured and sold by Mutual Materials Co. of Seattle, WA beford Jul. 7, 1998, 2 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 (Nursery Stone and Jumbo Nursery Stone), marketed by Westblock Pacific LLC before Jul., 1998. Rockwood Classic Retaining Wall System (1 page flyer). no date. 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.TM. & Vertical Pro.TM. (2 page flyer), Anchor Wall Systems, Inc. (1993). The Westcon Report (1 page flyer). no date. PISA II.RTM. flyer entitled Interlocking Retaining Wall System for Garden Landscaping, no date. Dura-Hold.RTM. flyer entitled Interlocking Retaining Wall System for Heavy Duty Protection, no date. Dura-Crib.RTM. flyer entitled Interlocking Retaining Wall System, no date.
Type: Grant
Filed: Aug 31, 1999
Date of Patent: Oct 31, 2000
Assignee: Westblock Systems, Inc. (Portland, OR)
Inventor: Thomas S. Hammer (Portland, OR)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A. Delehanty
Law Firm: Klarquist Sparkman Campbell Leigh & Whinston, LLP
Application Number: 0/110,393
International Classification: 2501;