Patent
   D541399
Priority
Sep 08 2005
Filed
Sep 08 2005
Issued
Apr 24 2007
Expiry
Apr 24 2021
Assg.orig
Entity
unknown
13
24
n/a
The ornamental design for a filter assembly, as shown and described.

FIG. 1 is a perspective view of a filter assembly illustrating my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

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

FIG. 7 is a front elevational view thereof.

Khalil, David

Patent Priority Assignee Title
7507269, Jan 10 2003 Royal Appliance Mfg. Co. Bagless stick type vacuum cleaner
D601238, Mar 20 2007 DONALDSON COMPANY INC Filter cartridge
D668751, Sep 11 2010 Dyson Technology Limited Filter
D690408, Dec 20 2012 ANTARES CAPITAL LP, AS AGENT Air filter
D845458, Apr 11 2017 FANNO TECHNOLOGIES CO., LTD. Air filter
D851343, Mar 16 2017 Dyson Technology Limited Part of a vacuum cleaner
D857868, Jan 06 2016 SPRIMO, INC Filter assembly for an air purifier
D869802, Sep 15 2017 Dyson Technology Limited Part of a vacuum cleaner
D907755, Oct 11 2018 Filter for air purification
D970836, Sep 03 2020 HUSQVARNA AB Dust collector filter
D970837, Sep 03 2020 HUSQVARNA AB Dust collector filter
D979867, Mar 25 2020 Dyson Technology Limited Filter for a vacuum cleaner
D987925, Mar 25 2020 Dyson Technology Limited Filter for a vacuum cleaner
Patent Priority Assignee Title
3486625,
4243397, Apr 24 1978 Donaldson Company, Inc. Air cleaner with replaceable filter element
4882055, Sep 11 1986 Suratco Products Company Unitary injection molded filter
4961847, Feb 02 1989 Carrier Corporation Suction strainer
5250179, Mar 27 1992 Porous Media Corporation Compactable filter and compactable filter mounting means
5267371, Feb 19 1992 FANTOM TECHNOLOGIES INC Cyclonic back-pack vacuum cleaner
5603740, Mar 27 1995 Suction activated reciprocating system
5685887, Jun 20 1995 Going Tokyo, Co, Ltd. Filter element
5753071, Oct 17 1995 Sta-Rite Industries, Inc. Apparatus for making a filter module
6026540, Jan 09 1998 Royal Appliance Mfg. Co. Upright vacuum cleaner with cyclonic airflow
6070291, Jul 24 1998 ROYAL APPLIANCE MFG CO Upright vacuum cleaner with cyclonic air flow
6156198, Dec 11 1995 Fairey Arlon B.V. Filter element for a fluid filter
6260234, Jan 09 1998 ROYAL APPLIANCE MFG CO Upright vacuum cleaner with cyclonic airflow
6341404, Jan 13 2000 ROYAL APPLIANCE MFG CO Upright vacuum cleaner with cyclonic airflow pathway
6375696, Mar 06 2000 Healthy Gain Investments Limited Vacuum cleaner with latching arrangement
6533926, Apr 05 2001 Fleetguard, Inc. Filter cartridge with concentric circuit rings for data transmission
D400323, Aug 19 1996 W L GORE & ASSOCIATES, INC Filter for a wet/dry vacuum cleaner
D425270, Jan 13 1995 ROYAL APPLIANCE MFG CO Filter for a rechargeable hand held vacuum cleaner
D441155, Jan 06 1999 ROYAL APPLIANCE MFG CO Filter for vacuum cleaner
D453403, Jan 11 2001 Royal Appliance Mfg. Co.; ROYAL APPLIANCE MFG CO Dirt cup lid for a vacuum cleaner
D470216, Mar 28 2002 Donaldson Company, Inc Filter element
D494329, Aug 16 2002 Royal Appliance Mfg. Co.; ROYAL APPLIANCE MFG CO Conically shaped filter
D520127, Jan 14 2005 Royal Appliance Mfg. Co. Filter assembly
D521137, Jan 14 2005 Royal Appliance Mfg. Co. Filter
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 06 2005KHALIL, DAVIDROYAL APPLIANCE MFG CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0169740925 pdf
Sep 08 2005Royal Appliance Mfg. Co.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule