Building units and construction elements – Architectural stock material – Extruded shape
Design Patent
2000-06-09
2001-03-06
Clark, Doris (Department: 2914)
Building units and construction elements
Architectural stock material
Extruded shape
Design Patent
active
D0438646
CLAIM:
The ornamental design for a large sash lift rail for window, as shown and described.
REFERENCES:
patent: D. 308103 (1990-05-01), Westphal et al.
patent: D. 402050 (1998-12-01), Leonelli
patent: D. 402057 (1998-12-01), Leonelli
Gursky Stanley
Habeck Jerome Carl
Levine David S.
Westphal Dennis C.
Certain-Teed Corporation
Clark Doris
Duane Morris & Heckscher LLP
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