Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Reexamination Certificate
2007-05-29
2009-08-25
Campbell, Thor S (Department: 3742)
Electric resistance heating devices
Heating devices
Tank or container type liquid heater
C392S465000, C392S484000
Reexamination Certificate
active
07580618
ABSTRACT:
A water heating apparatus comprising: a device body for heating and producing hot water that is capable of connecting to one or more remote control units for remotely operating the device body, the device body having an outer casing; a connection-number counter disposed within the outer casing of the device body for determining the number of remote control units upon powering-up the device body; and a display unit disposed within the outer casing of the device body for indicating the number of the connected remote control units determined by the connection-number counter, wherein a display of the display unit is visible from the exterior through a window formed in the outer casing.
REFERENCES:
patent: 4638147 (1987-01-01), Dytch et al.
patent: 4713525 (1987-12-01), Eastep
patent: 5058804 (1991-10-01), Yonekubo et al.
patent: 5504306 (1996-04-01), Russell et al.
patent: 5626287 (1997-05-01), Krause et al.
patent: 6246831 (2001-06-01), Seitz et al.
patent: 6351603 (2002-02-01), Waithe et al.
patent: 6590188 (2003-07-01), Cline et al.
patent: D483451 (2003-12-01), Yamamoto et al.
patent: 6806446 (2004-10-01), Neale
patent: 7346274 (2008-03-01), Bradenbaugh
patent: 2003-194396 (2003-07-01), None
Suzuki Takashi
Takayama Masayoshi
Campbell Thor S
Rinnai Corporation
Turocy & Watson LLP
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