Building units and construction elements – Architectural stock material – Construction block or brick type
Design Patent
1999-03-26
2001-05-01
Zarfas, Louis S. (Department: 2914)
Building units and construction elements
Architectural stock material
Construction block or brick type
Design Patent
active
D0441464
CLAIM:
I claim the ornamental design for a stair block for use in landscaping, as shown and described.
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“Soundblox”, p. 2 from Sweet's Architecture File, 1970.*
Modular Concrete Block, Paving Stone, Jun. 1984.*
“Proudfoot Architectural Acoustics” Sweet's General Building & Renovation Catalog File, 1993.*
Besser Parts and Equipment Catalog, “Chimney Block”, p. 11.*
Decor Innovative Concrete Systems—“STEP STACKER” brochure no date.
Borgert Products, Inc. advertising entitled, “Steps Made Eady! With Stair Stackers”.
Delehanty Robert A.
Harms Allan L.
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Zarfas Louis S,.
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