US Patent No: 7,651,609
Number of patents in Portfolio can not be more than 2000
Filter with self-positioning cartridge arrangement
Stats
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Jan 26, 2010
Issued date -
Aug 15, 2007
filing date -
11/893,359
serial no -
In Force
status
Importance
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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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First Claim
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,797,163 Filtration devices | 15 | 2002 | |
| 7,252,762 Filter housing arrangement with cartridge guides | 3 | 2004 | |
| 2009/0045,112 Aquarium filter housing with rounded bottom | 3 | 2007 | |
| 2009/0045,113 Filter cartridge construction with carbon profile | 3 | 2007 | |
| 2009/0045,114 Filter cartridge assembly with water collection | 4 | 2007 | |
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| 4,761,227 Self priming aquarium filter | 22 | 1987 | |
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| 6,210,567 Filtration device for tank water for aquarium fish | 18 | 1999 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jul 26, 2013 |
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