Retaining block

Details Retaining block Retaining block

2010-09-24

2011-12-20

Doan, Anhdao (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

Design Patent

active

D0650918

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

REFERENCES:
patent: 5951210 (1999-09-01), Maguire et al.
patent: D468450 (2003-01-01), Hammer
patent: D475143 (2003-05-01), Hammer
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patent: 6821058 (2004-11-01), Dawson
patent: D530832 (2006-10-01), Rainey
patent: 7503729 (2009-03-01), Hammer et al.
patent: D602171 (2009-10-01), Rodebaugh et al.
patent: D610712 (2010-02-01), Hammer
patent: D610713 (2010-02-01), Hammer
patent: D611165 (2010-03-01), Hammer
patent: D611166 (2010-03-01), Hammer
patent: D611167 (2010-03-01), Hammer
patent: D611168 (2010-03-01), Hammer
patent: D615668 (2010-05-01), Hammer
patent: 7963727 (2011-06-01), Wauhop
Drawing of GravityStone® Fat Face Block, Westblock Systems, Inc., sold prior to Sep. 24, 2009.

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