Title:
Filter cartridge connector
United States Patent D472299


Inventors:
Fritze, Karl (Denmark Township, MN)
Application Number:
29/166176
Publication Date:
03/25/2003
Filing Date:
08/22/2002
Assignee:
PentaPure Incorporated (Eagan, MN)
Primary Class:
International Classes:
B01D35/30
Field of Search:
210/234, D23/207, 210/232, D23/209, 210/444, 210/235
View Patent Images:
US Patent References:
6426001Cartridge adapterFritze
6360764Cartridge adapterFritze
6193884Dripless purification manifold and cartridgeMagnusson
6027644Dripless purification manifold and cartridgeMagnusson
5914037Filter device for a water filterYen
5826854Fluid routing systemJanvrin
5779903Filter assemblies and end caps for filter assembliesSmith
5591332Filter assembly with automatic shut-off and quick-connect filter cartridgeReid
5562824Gravity water purifierMagnusson
5486288Mounting head with safety shut-off valve for replaceable filter cartridgeStanford
5456830Replaceable filter cartridge for actuating safety shut-off valve in mounting headStanford et al.210/235
5354464Multi-port connecting deviceSlovak
5336406Replaceable filter cartridge and head assembly with safety shut-off valveStanford
5328609Multi-stage radial flow filtration systemMagnusson
5269919Self-contained water treatment systemvon Medlin
5167814Filter apparatus snap lock cartridge retainerPulek
5126044Iodine resin/carbon water purification systemMagnusson
4923601Filter system having multiple filter elements and backflushing assembliesDrori
4915831Filter assembly featuring displaceable filter head plunger for locking into filter cartridge detentTaylor
4877521Quick-change filter cartridge and head thereforPetrucci
4515692Water filterChandler
3746171FILTER ASSEMBLYThomsen
2858026Filter and filter cartridgeLorimer
2809754Liquid filtersPudlo
2808754Plectrum piano actionTaylor
D306754Combined quick-change filter cartridge and headPetrucci
D313832Combined quick-change filter cartridge and headPetrucci
D321394Quick-change filter cartridgePetrucci
D322836Top cap of a quick-change filter cartridgePetrucci
D334614End manifold for a filter cartridgeBiltoft
D356625Filter adapter headPetrucci et al.D23/209
D410064Filtration cartridgeHunter
D423081ConnectorNiermeyerD23/209
D433094Cartridge connectorMagnusson
D455814Cartridge for a water purification and treatment systemMagnusson



Foreign References:
DE2458784
DE2719875
GB1566502
Primary Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Patterson, Thuente, Skaar & Christensen, P.A.
Claims:
1. I claim the ornamental design for filter cartridge connector, as shown.

Description:
FIG. 1 is a perspective view of the filter cartridge connector;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view.