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United States Patent
, et al.
July 31, 2007
The ornamental design for a filter cartridge, as shown and described.
Kennedy; Gregory (Maplewood, MN) , Fletcher; Christine (Elk River, MN) , Khamis; Chaouki (Edina, MN) Assignee:
EcoWater Systems LLC
January 27, 2006
Current U.S. Class: D23/209
Current International Class:
Field of Search:
U.S. Patent Documents Primary Examiner:
Attorney, Agent or Firm: Patzik, Frank & Samotny, Ltd.
FIG. 1 is a perspective view of a filter cartridge showing the new
ornamental design, the portions shown in broken lines forming no part of
the design sought to be patented;
FIG. 2 is a front view thereof, the front and rear views being a mirror
image, and the portions shown in broken lines forming no part of the
design sought to be patented;
FIG. 3 is a left side elevational view thereof, the left and right views
being a mirror image, and the portions shown in broken lines forming no
part of the design sought to be patented;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
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