Auto shutoff overflow controller

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S618000, C137S312000, C068S208000

Reexamination Certificate

active

06998990

ABSTRACT:
The automatic shutoff overflow controller comprises a circuit which engages between a source of power and a water processing device, the controller, sensing an undesirably high water level in a liquid containment into which water drains from the device, shutting off the device and producing an audible warning that such condition exists.

REFERENCES:
patent: 3588859 (1971-06-01), Petree
patent: 4418712 (1983-12-01), Braley
patent: 4612949 (1986-09-01), Henson
patent: 5028910 (1991-07-01), Meacham et al.
patent: 5216288 (1993-06-01), Greene
patent: 5240022 (1993-08-01), Franklin
patent: 5493877 (1996-02-01), Wickremasinghe
patent: 6154144 (2000-11-01), Johnson
patent: 2005/0051213 (2005-03-01), Clemens

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