Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate
2007-06-12
2007-06-12
Pelham, Joseph (Department: 3742)
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
C219S402000, C219S408000, C219S548000, C433S032000, C373S134000
Reexamination Certificate
active
10558466
ABSTRACT:
The invention relates to a stove for producing denture and or the parts thereof comprising a combustion chamber and a heating device which is arranged therein and provided with a heating spiral consisting of an appropriate resistance wire and a support for the heating spiral. The aim of said invention is to better use the heating energy and make it possible to easily replace the heating device. For this purpose, the heating spiral is arranged on the external part of the support.
REFERENCES:
patent: 1959358 (1934-05-01), Gouverneur
patent: 5432319 (1995-07-01), Indig
patent: 6252202 (2001-06-01), Zychek
patent: 6386265 (2002-05-01), Usui
patent: 6441346 (2002-08-01), Zychek
patent: 197 53 895 (1999-06-01), None
patent: 334 963 (1930-09-01), None
Dekema Dental-Keramiköfen GmbH
Harness & Dickey & Pierce P.L.C.
Pelham Joseph
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