Building units and construction elements – Architectural stock material – Construction block or brick type
Design Patent
2008-12-04
2009-11-10
Nelson, T. Chase (Department: 2914)
Building units and construction elements
Architectural stock material
Construction block or brick type
Design Patent
active
D0603976
CLAIM:
The ornamental design for a 45 degree masonry unit, as shown and described.
REFERENCES:
patent: D343908 (1994-02-01), Naether
patent: D374465 (1996-10-01), Schmidt
patent: D409675 (1999-05-01), Krog
patent: D448858 (2001-10-01), Azar
patent: D529633 (2006-10-01), Zarb
Doan Anhdao
Nelson T. Chase
Sykes William G.
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