Building units and construction elements – Architectural stock material – Extruded shape
Design Patent
2003-03-31
2004-06-01
Clark, Doris (Department: 2914)
Building units and construction elements
Architectural stock material
Extruded shape
Design Patent
active
D0490912
CLAIM:
The ornamental design for a sash with interlock for a window, as shown and described.
REFERENCES:
patent: 6041552 (2000-03-01), Lindahl
patent: D461915 (2002-08-01), Ballard et al.
Gursky Stanley M.
Habeck Jerome Carl
McIntosh Edward M.
Westphal Dennis C.
Certain-Teed Corporation
Clark Doris
Duane Morris LLP
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