Filter cartridge
United States Patent D750742

Branscomb, Matt R. (Lakeville, MN, US)
Maki, Jeffrey M. (Inver Grove Heights, MN, US)
Schmoll, Jeremy A. (Pine Island, MN, US)
Kragness, Jon P. (Farmington, MN, US)
Application Number:
Publication Date:
Filing Date:
3M Innovative Properties Company (St. Paul, MN, US)
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
D23/207, D23/209, D23/262, D23/259, D23/265, 210/232, 210/234, 210/236, 210/418, 210/493.2, D8/382, 285/360, 285/361
View Patent Images:
US Patent References:
D718416Water filtration deviceNovember, 2014ReillyD23/209
D674058Pipe connector without threaded structuresJanuary, 2013YuD23/262
8246883Filter cartridge and method of construction thereofAugust, 2012Bassett210/312
8182699Method of engaging a filter cartridge to a manifold and filter cartridge thereforMay, 2012Fritze
D637693Connector for a faucet mounted water filterMay, 2011RiedelD23/209
D634406Hose cuffMarch, 2011KlimasD23/262
7799220Hot disconnect replaceable water filter assemblySeptember, 2010Fritze
D599880Filter cartridgeSeptember, 2009RampenD23/209
D596272Swivel threaded end female sewer fittingJuly, 2009PriceD23/259
D592288Swivel bayonet sewer fittingMay, 2009PriceD23/259
D591414Gas purifierApril, 2009FarnabyD23/209
7481928Hot disconnect replaceable water filter assemblyJanuary, 2009Fritze210/234
D548306Filter cartridgeAugust, 2007Kennedy
D546412Filter cartridge endJuly, 2007Kennedy
D547821Reverse osmosis cartridge endJuly, 2007KennedyD23/207
D472604Filter manifold connectorApril, 2003Fritze
D472299Filter cartridge connectorMarch, 2003FritzeD23/209
D455814Cartridge for a water purification and treatment systemApril, 2002MagnussonD23/209
D433094Cartridge connectorOctober, 2000Magnusson
D412551End cap for a cylindrical filterAugust, 1999Smith
D394697Filter capMay, 1998Liang
4688833Recreational vehicle discharge pipe adapterAugust, 1987Todd285/12

Foreign References:
CA114349December, 2007FILTER CARTRIDGE END
CA128815August, 2009FILTER CARTRIDGE
CN3640838May, 2007
JPD1433138January, 2012
JPD1445320June, 2012
Other References:
Design U.S. Appl. No. 29/508,435, filed Nov. 6, 2014, entitled “Filter Cartridge”.
Design U.S. Appl. No. 29/508,433, filed Nov. 6, 2014, entitled “Filter Cartridge”.
U.S. Appl. No. 62/076,409, filed Nov. 6, 2014, entitled “Replacement Filter Cartridge”.
Primary Examiner:
Webster, Robin V.
Attorney, Agent or Firm:
Baum, Scott A.

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


FIG. 1 is a perspective view of the new design for a filter cartridge;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines in the Figures form no part of the claimed design.