Liquid filter device
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United States of America Patent
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May 19, 2015
Grant Date -
Jul 5, 2012
app pub date -
Sep 7, 2010
filing date -
Sep 9, 2009
priority date (Note) -
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Abstract
Provided is a filter device for filtering liquid by passing it through one or more filtering media. The filter device comprises a cartridge defining a treatment region filled with said one or more filtering media and has a liquid inlet and a liquid outlet. A locking mechanism may be located within a liquid flow through the cartridge and configured to lock at least one of the liquid inlet and the liquid outlet upon expiration of life time of said at least one filtering medium.
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