Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2007-11-27
2007-11-27
Hoang, Tu Ba (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C219S202000, C219S219000, C219S541000
Reexamination Certificate
active
10503124
ABSTRACT:
A panel element with a toughened pane, provided with a total surface coating, which is electrically conducting and heated by applying an electrical voltage by electrodes. A partial zone of the coating is electrically separated by a separating line. Specifically, an inner surface zone of the coating is separated electrically, by at least one peripheral separating line, from an external edge region of the coating, and the electrodes are placed inside the surface zone surrounded by the peripheral separating line.
REFERENCES:
patent: 3790745 (1974-02-01), Levin
patent: 5023403 (1991-06-01), Eckardt et al.
patent: 198 60 870 (2000-07-01), None
patent: 0 451 608 (1991-10-01), None
patent: 1 104 595 (1955-11-01), None
U.S. Appl. No. 10/558,472, filed Nov. 23, 2005, Mann.
Hoang Tu Ba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Patel Vinod
Saint-Gobain Glass France
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