Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2007-01-30
2007-01-30
Evans, Robin (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C219S528000, C219S544000, C219S549000
Reexamination Certificate
active
10814709
ABSTRACT:
A heating mat employs electrical resistance foils to provide a uniform heat. In embodiments of the invention applicable for providing heat to individuals, the mat provides this uniform heat at a comfortable temperature. The heating mat structure comprises protective layers surrounding the heating element to provide a durable structure that is suitable for industrial and commercial use.
REFERENCES:
patent: 2714416 (1955-08-01), Fener
patent: 3495328 (1970-02-01), Ziver
patent: 4661689 (1987-04-01), Harrison
patent: 5380988 (1995-01-01), Dyer
patent: 5925275 (1999-07-01), Lawson et al.
Evans Robin
Fastovsky Leonid M.
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