Liquid purification or separation – Structural installation – Closed circulating system
Reexamination Certificate
2008-01-14
2009-12-08
Prince, Fred (Department: 1797)
Liquid purification or separation
Structural installation
Closed circulating system
C210S336000, C210S489000, C119S259000
Reexamination Certificate
active
07628913
ABSTRACT:
An aquarium filter cartridge including activated carbon or the like and a housing wherein the water traces an S-shaped path is disclosed. In the S-shaped path the water flows horizontally through a floss type filter, downward to the bottom of the housing, horizontally into the bottom of the carbon cartridge, up through the carbon filter, and out the top or upper side of the housing back into the aquarium.
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Second Office Action with translation dated Jun. 26, 2009, from corresponding Chinese Application 200610007349.3.
J.W. Pet Company Inc.
Katten Muchin & Rosenman LLP
Prince Fred
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