Retaining wall block

Details Retaining wall block Retaining wall block

2001-12-18

2002-11-26

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

Design Patent

active

D0466229

CLAIM:
The ornamental design for a retaining wall block, as shown and described.

REFERENCES:
patent: 1350764 (1920-08-01), Wood
patent: 5064313 (1991-11-01), Risi et al.
patent: 5230195 (1993-07-01), Sease
patent: 5337527 (1994-08-01), Wagenaar
patent: 5622456 (1997-04-01), Risi et al.
patent: D403437 (1998-12-01), Risi et al.

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