Aquarium filter housing with rounded bottom

Details Aquarium filter housing with rounded bottom Aquarium filter housing with rounded bottom

2007-08-15

2009-12-29

Prince, Fred (Department: 1797)

Liquid purification or separation

Structural installation

Closed circulating system

C210S167220, C210S167270, C119S260000

Reexamination Certificate

active

07638044

ABSTRACT:
An aquarium filter having a filter housing with a rounded bottom. The filter housing including a housing input that directs water into an interior chamber such that the water sweeps across the rounded bottom to reduce or eliminate dead spots and reduce particulate settlement.

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patent: 2004/0020842 (2004-02-01), Brooks et al.
patent: 2007/0023338 (2007-02-01), Newman
patent: 2009/0045111 (2009-02-01), Huehn
patent: 2009/0045113 (2009-02-01), Newman et al.
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Exhibit A, Huehn et al., U.S. Appl. No. 11/645,225; “Filter Cartridge”; 24 pgs.; filed Dec. 22, 2006.
Exhibit B, hydor® PTCFKIP 250 Thermofilter; 7 pgs.; Date: Admitted Prior Art.
Exhibit C, AquaClear Power Filter; Instruction Manual for Models 20, 30, 50, 70 and 110; 9 pgs. (2003).

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