Building units and construction elements – Prefabricated unit – Closure
Design Patent
1999-12-10
2001-03-06
Zarfas, Louis S. (Department: 2914)
Building units and construction elements
Prefabricated unit
Closure
Design Patent
active
D0438636
CLAIM:
The ornamental design for a polymer sliding door, as shown and described.
REFERENCES:
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patent: D. 418608 (2000-01-01), Witte et al.
patent: 3628289 (1971-12-01), Buffington et al.
patent: 5669198 (1997-09-01), Ruff
patent: 6089301 (2000-07-01), Smith
Andersen Window & Patio Doors catalog; “Frenchwood Hinged Patio Doors”; p. 20.
Delehanty Robert A.
Stetina Kit M.
Stetina Brunda Garred & Brucker
Zarfas Louis S,.
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