Title:
Filter cartridge
United States Patent D547825


Inventors:
Kennedy, Gregory (Maplewood, MN, US)
Fletcher, Christine (Elk River, MN, US)
Khamis, Chaouki (Edina, MN, US)
Application Number:
29/252778
Publication Date:
07/31/2007
Filing Date:
01/27/2006
Assignee:
EcoWater Systems LLC (Woodbury, MN, US)
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
D23/207, D23/209, 210/238, 210/470, 210/443-4
View Patent Images:
US Patent References:
6325929Replacement filter cartridge for water filtering systemDecember, 2001Bassett210/238
D448448Filter housingSeptember, 2001Hughes et al.D23/209
5456830Replaceable filter cartridge for actuating safety shut-off valve in mounting headOctober, 1995Stanford et al.210/235
D361823Water treatment deviceAugust, 1995Layton et al.D23/207
D297857Pool chemical dispenser cartridgeSeptember, 1988Alexander et al.D23/207
D265277Combined appliance support and retractable working surfaceJuly, 1982DunnD7/698



Primary Examiner:
Webster, Robin
Attorney, Agent or Firm:
Patzik, Frank & Samotny, Ltd.
Claims:
CLAIM

1. The ornamental design for a filter cartridge, as shown and described.

Description:

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.