Cartridge connector
United States Patent D433094

Magnusson, Jan H. (Mahtomedi, MN)
Lonneman, Alan (Plymouth, MN)
Botts, David M. (Minneapolis, MN)
Application Number:
Publication Date:
Filing Date:
PentaPure Incorporated (West St. Paul, MN)
Primary Class:
Field of Search:
D23/200, D23/207, D23/209, 210/109, 210/435, 210/235, 210/443-4
View Patent Images:
US Patent References:
5779903Filter assemblies and end caps for filter assembliesJuly, 1998Smith et al.210/444
5591332Filter assembly with automatic shut-off and quick-connect filter cartridgeJanuary, 1997Reid et al.210/235
5562824Gravity water purifierOctober, 1996Magnusson
5486288Mounting head with safety shut-off valve for replaceable filter cartridgeJanuary, 1996Stanford210/443
5354464Multi-port connecting deviceOctober, 1994Magnusson et al.
5336406Replaceable filter cartridge and head assembly with safety shut-off valveAugust, 1994Stanford et al.
5328609Multi-stage radial flow filtration systemJuly, 1994Magnusson et al.
5269919Self-contained water treatment systemDecember, 1993Von Medlin
D334614End manifold for a filter cartridgeApril, 1993Biltoft et al.D23/209
5126044Iodine resin/carbon water purification systemJune, 1992Drori
4923601Filter system having multiple filter elements and backflushing assembliesMay, 1990Slovak et al.
4915831Filter assembly featuring displaceable filter head plunger for locking into filter cartridge detentApril, 1990Taylor210/443
4877521Quick-change filter cartridge and head thereforOctober, 1989Petrucci et al.
4515692Water filterMay, 1985Chandler et al.
3746171FILTER ASSEMBLYJuly, 1973Thomsen
2858026Filter and filter cartridgeOctober, 1958Lorimer210/444
2809754Liquid filtersOctober, 1957Pudlo210/443
2808754Plectrum piano actionOctober, 1957Pudio

Foreign References:
DE2458784June, 1976
DE2719875November, 1978
GB1566502April, 1980
Primary Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Patterson, Thuente & Skaar, P.A.
1. The ornamental design for cartridge connector, as shown and described.


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 bottom plan view; and,

FIG. 5 is a top plan view thereof.