Water purification cartridge
United States Patent D716909

Hammarback, Barry J. (River Falls, WI, US)
Application Number:
Publication Date:
Filing Date:
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
D23/207, D23/209, 210/238, 210/497.01, 210/282
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US Patent References:
8252185Water treatment apparatus and methodAugust, 2012Rajan et al.
D548306Filter cartridgeAugust, 2007Kennedy et al.D23/209
D547822Reverse osmosis cartridgeJuly, 2007Kennedy et al.D23/207
D547823Reverse osmosis cartridgeJuly, 2007Kennedy et al.D23/207
D547825Filter cartridgeJuly, 2007Kennedy et al.D23/209
6325929Replacement filter cartridge for water filtering systemDecember, 2001Bassett
5556279Water purification system for dental instrumentSeptember, 1996Wolf et al.
5401399Water purification systemMarch, 1995Magnusson et al.
5370534Water purification system for dental instrumentDecember, 1994Wolf et al.
D351892Water purification cartridge for a dental instrumentOctober, 1994Wolf et al.
5230624Water purification system for dental instrumentJuly, 1993Wolf et al.
D297857Pool chemical dispenser cartridgeSeptember, 1988Alexander et al.D23/207
D265227Water purification unitJune, 1982JolleyD23/207

Primary Examiner:
Webster, Robin V.
Attorney, Agent or Firm:
Bartz, Richard John

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


FIG. 1 is a front elevational view of the water purification cartridge showing my new design, the rear and side elevational views being identical;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a foreshortened sectional view taken along line 4-4 of FIG. 1;

FIG. 5 is a sectional view taken along line 5-5 of FIG. 4;

FIG. 6 is a sectional view taken along line 6-6 of FIG. 4; and,

FIG. 7 is a sectional view taken along line 7-7 of FIG. 4.