Building units and construction elements – Architectural stock material – Extruded shape
Design Patent
2001-04-30
2002-01-01
Clark, Doris (Department: 2914)
Building units and construction elements
Architectural stock material
Extruded shape
Design Patent
active
D0452743
CLAIM:
An ornamental design for a window sash extrusion, as shown and described.
REFERENCES:
patent: D381091 (1997-07-01), DiGiorgio
patent: 6003277 (1999-12-01), Graham et al.
Clark Doris
Royal Group Technologies Limited
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