Title:
Cartridge for a water purification and treatment system
United States Patent D455814


Inventors:
Magnusson, Jan H. (Mahtomedi, MN)
Lonneman, Alan (Plymouth, MN)
Botts, David M. (Minneapolis, MN)
Application Number:
29/101631
Publication Date:
04/16/2002
Filing Date:
03/08/1999
Assignee:
PentaPure Incorporated (Eagan, MN)
Primary Class:
Other Classes:
D23/259
Field of Search:
210/234, D23/209, 210/109, 210/136, D23/259, 210/235, 210/282
View Patent Images:
US Patent References:
5914037Filter device for a water filterYen210/234
5826854Fluid routing systemJanvrin et al.210/234
5779903Filter assemblies and end caps for filter assembliesSmith et al.
5591332Filter assembly with automatic shut-off and quick-connect filter cartridgeReid et al.
5562824Gravity water purifierMagnusson
5486288Mounting head with safety shut-off valve for replaceable filter cartridgeStanford
5354464Multi-port connecting deviceMagnusson et al.
5336406Replaceable filter cartridge and head assembly with safety shut-off valveStanford et al.210/235
5328609Multi-stage radial flow filtration systemMagnusson et al.
5269919Self-contained water treatment systemVon Medlin
5167814Filter apparatus snap lock cartridge retainerPulek
5126044Iodine resin/carbon water purification systemDrori
4923601Filter system having multiple filter elements and backflushing assembliesSlovak et al.
4915831Filter assembly featuring displaceable filter head plunger for locking into filter cartridge detentTaylor
4877521Quick-change filter cartridge and head thereforPetrucci et al.
4515692Water filterChandler et al.
3746171FILTER ASSEMBLYThomsen
2858026Filter and filter cartridgeLorimer
2808754Plectrum piano actionPudio
D306754Combined quick-change filter cartridge and headPetrucci et al.
D313832Combined quick-change filter cartridge and headPetrucci et al.
D317040Combined quick-change filter cartridge and headPetrucci et al.
D321394Quick-change filter cartridgePetrucci et al.
D322836Top cap of a quick-change filter cartridgePetrucci et al.
D334614End manifold for a filter cartridgeBiltoft et al.
D410064Filtration cartridgeHunter et al.D23/209



Primary Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Patterson, Thuente, Skaar & Christensen, P.A.
Claims:
1. The ornamental design for cartridge for a water purification and treatment system, as shown and described.

Description:
FIG. 1 is a perspective view of the design subject;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof with the left side being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view.