Retaining wall block

Details Retaining wall block Retaining wall block

1999-08-31

2000-10-31

Zarfas, Louis S.

Building units and construction elements

Architectural stock material

Construction block or brick type

2501

Patent

active

D04331583

REFERENCES:
patent: D280024 (1985-08-01), Risi et al.
patent: D296007 (1988-05-01), Forsberg
patent: D298463 (1988-11-01), Forsberg
patent: D299069 (1988-12-01), Risi et al.
patent: D300253 (1989-03-01), Forsberg
patent: D300254 (1989-03-01), Forsberg
patent: D301064 (1989-05-01), Forsberg
patent: D311444 (1990-10-01), Forsberg
patent: D317048 (1991-05-01), Forsberg
patent: D317209 (1991-05-01), Forsberg
patent: D362511 (1995-09-01), Anderson et al.
patent: D380560 (1997-07-01), Forsberg
patent: 1419805 (1922-06-01), Bigler
patent: 3444694 (1969-05-01), Frehner
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patent: 4175888 (1979-11-01), Ijima
patent: 4543893 (1985-10-01), Kunnecke
patent: 4909010 (1990-03-01), Gravier
patent: 4964761 (1990-10-01), Rossi
patent: 5031376 (1991-07-01), Bender et al.
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patent: 5062610 (1991-11-01), Woolford et al.
patent: 5294216 (1994-03-01), Sievert
patent: 5353569 (1994-10-01), Rodrique
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patent: 5711129 (1998-01-01), Woolford
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.

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