Stackable wall block

Details Stackable wall block Stackable wall block

2007-03-20

2007-03-20

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

CD25S114000

Design Patent

active

29260135

CLAIM:
I claim the ornamental design for a stackable wall block, as shown.

REFERENCES:
patent: 1260024 (1918-03-01), Parton
patent: 1795451 (1931-03-01), Sharpe
patent: 1816916 (1931-08-01), Sentrop
patent: 5622456 (1997-04-01), Risi et al.
patent: 5647185 (1997-07-01), Forlini
patent: D403437 (1998-12-01), Risi et al.
patent: D405193 (1999-02-01), Scales
patent: D466229 (2002-11-01), Risi et al.
patent: D479342 (2003-09-01), Dawson
patent: 6651401 (2003-11-01), Price et al.
patent: D485371 (2004-01-01), Burgess et al.
patent: 7059808 (2006-06-01), Risi
patent: 7096635 (2006-08-01), Price
“Classic” product literature, Rockwood Retaining Walls, 12 pgs., 1997.

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