Hand held shower head with filter replacing pre-alarm assembly

Details Hand held shower head with filter replacing pre-alarm assembly Hand held shower head with filter replacing pre-alarm assembly

2005-01-06

2008-12-23

Cecil, Terry K (Department: 1797)

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

C210S449000, C210S460000

Reexamination Certificate

active

07468127

ABSTRACT:
A hand held shower head with a filter replacing pre-alarm assembly includes a propeller wheel with a magnetically induced signal emitter and a correspondingly placed signal receptor, as well as a digital display connected to the signal receptor. Upon a total accumulated quantity of water flow through a filter positioned within a hand held portion, a pre-alarm signal is generated, and upon reaching a critical point, a buzzer is activated to remind the user to replace the filter to ensure a quality filtered water.

REFERENCES:
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patent: 5858215 (1999-01-01), Burchard et al.
patent: 6016977 (2000-01-01), Farley
patent: 6093313 (2000-07-01), Bovaird et al.
patent: 6270023 (2001-08-01), Farley
patent: 6641717 (2003-11-01), Okano et al.
patent: 6927501 (2005-08-01), Baarman et al.
patent: 2003/0125842 (2003-07-01), Chang et al.

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