Filter with self-positioning cartridge arrangement
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United States of America Patent
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Apr 19, 2011
Grant Date -
Apr 29, 2010
app pub date -
Dec 28, 2009
filing date -
Aug 15, 2007
priority date (Note) -
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Abstract
An aquarium filter arrangement including a filter housing and a filter cartridge having self-spacing structure. The self-spacing structure being designed to automatically space the filter cartridge in an operable filtering position. The operable filtering position being a position at which the filter cartridge is seated against a single rib formed in the housing.
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