Building units and construction elements – Architectural stock material – Extruded shape
Design Patent
2001-05-14
2002-07-09
Clark, Doris (Department: 2914)
Building units and construction elements
Architectural stock material
Extruded shape
CD25S069000
Design Patent
active
D0460200
CLAIM:
The ornamental design for a stairway tread edge, as shown and described.
REFERENCES:
patent: D363785 (1995-10-01), Davies
patent: 5645912 (1997-07-01), Nelson et al.
Clark Doris
Deimen James M.
LandOfFree
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