Filter cartridge
United States Patent D599880

Rampen, Edmond (Oakville, CA)
Macdonald, Scott (Toronto, CA)
Application Number:
Publication Date:
Filing Date:
Envirogard Products Limited (Ontario, CA)
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
210/232, 210/333.1, D23/207, D23/209
View Patent Images:
US Patent References:
D548306Filter cartridgeAugust, 2007Kennedy et al.D23/209
D547821Reverse osmosis cartridge endJuly, 2007Kennedy et al.D23/207
D541371Filter cartridge capApril, 2007McKayD23/209
6977039Fluid filter apparatus and methodDecember, 2005Knoll et al.
6953526Filter assemblyOctober, 2005Fritze
6649056Filter assemblyNovember, 2003Fritze
6576129Recyclable filter cartridge and pressure vesselJune, 2003Reid
D472604Filter manifold connectorApril, 2003Fritze
6533931Recycle filter cartridge and pressure vesselMarch, 2003Reid
D472299Filter cartridge connectorMarch, 2003Fritze
6426001Cartridge adapterJuly, 2002Fritze
6193884Dripless purification manifold and cartridgeFebruary, 2001Magnusson et al.
D433094Cartridge connectorOctober, 2000Magnusson et al.D23/209
6027644Dripless purification manifold and cartridgeFebruary, 2000Magnusson et al.
5925245Filter arrangementJuly, 1999Bradford et al.
5826854Fluid routing systemOctober, 1998Janvrin et al.
5753107Dripless purification manifold and cartridgeMay, 1998Magnusson et al.
5744030Filter assembly with automatic shut-off and quick-connect filter cartridgeApril, 1998Reid et al.
5725621Filter end cap attachmentMarch, 1998Pruette et al.
5591332Filter assembly with automatic shut-off and quick-connect filter cartridgeJanuary, 1997Reid et al.
5486288Mounting head with safety shut-off valve for replaceable filter cartridgeJanuary, 1996Stanford et al.
5456830Replaceable filter cartridge for actuating safety shut-off valve in mounting headOctober, 1995Stanford et al.
D356625Filter adapter headMarch, 1995Petrucci et al.D23/209
5336406Replaceable filter cartridge and head assembly with safety shut-off valveAugust, 1994Stanford et al.
5092999Filtering meansMarch, 1992Valenzuela et al.
D322836Top cap of a quick-change filter cartridgeDecember, 1991Petrucci et al.
4956086Filter cartridge with a lugged concentric closure portionSeptember, 1990Thomsen et al.
4948505Quick-change filter cartridge and head thereforAugust, 1990Petrucci et al.
4915831Filter assembly featuring displaceable filter head plunger for locking into filter cartridge detentApril, 1990Taylor
4877521Quick-change filter cartridge and head thereforOctober, 1989Petrucci et al.
4857189Filter cartridge with a lugged concentric closure portionAugust, 1989Thomsen et al.
4735716Quick-change filter cartridge and head thereforApril, 1988Petrucci et al.
4654142Filtering systemMarch, 1987Thomsen et al.
4645601Quick change reverse osmosis assemblyFebruary, 1987Regunathan et al.
4222875Filter element shutoff valveSeptember, 1980Sikula, Jr.
4082673Filter asembly with integral service shut-off valveApril, 1978Cilentro
4077876Shut-off valve apparatusMarch, 1978Southall
4052307Universal filter mounting attachmentOctober, 1977Humbert, Jr.
3954624Filter cartridge assemblyMay, 1976Pertrucci
3746171FILTER ASSEMBLYJuly, 1973Thomsen

Primary Examiner:
Webster, Robin V.
Attorney, Agent or Firm:
Tarolli, Sundheim, Covell & Tummino LLP

1. We claim the ornamental design for a filter cartridge, as shown and described.


FIG. 1 is an upper side perspective view of the filter cartridge constructed in accordance with our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is an enlarged detail view of the top portion thereof.

The broken lines shown are for illustrative purposes only and form no part of the claimed design.