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Patent
   D494329
Priority
Aug 16 2002
Filed
Aug 16 2002
Issued
Aug 10 2004
Expiry
Aug 10 2018
Inventors
Thur, Char…
Assg.orig
ROYAL APPL…
Assg.curr
Royal Appl…
ROYAL APPL…
Entity
unknown
Referenced by
24
References
16
Maint.:
n/a
The ornamental design for a conically shaped filter, as shown and described.

FIG. 1 is a perspective of a conically shaped filter showing our new design;

FIG. 2 is a front elevational view thereof, with the rear elevational view and left and right side elevational views being identical thereto;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Thur, Charles J., Paliobeis, Steven J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10238253, Aug 08 2012 BISSEL INC ; BISSELL INC Solid fragrance carrier and method of use in a vacuum cleaner
10702109, Aug 08 2012 BISSELL INC Solid fragrance carrier and method of use in a vacuum cleaner
7507269, Jan 10 2003 Royal Appliance Mfg. Co. Bagless stick type vacuum cleaner
8206482, Jul 04 2008 Emerson Electric Co Vacuum appliance filter assemblies and associated vacuum systems
8557008, Jul 04 2008 Emerson Electric Co Vacuum appliance filter assemblies and associated vacuum systems
9034066, Sep 16 2011 Lawrence Livermore National Security, LLC Anti-clogging filter system
9345372, Jul 04 2008 Emerson Electric Co Vacuum appliance filter assemblies and associated vacuum systems
9510718, Jul 04 2008 Emerson Electric Co Wet/dry vacuum cleaner filter for wet material collection
9630137, Sep 16 2011 Lawrence Livermore National Security, LLC Anti-clogging filter system
9675225, Jul 04 2008 Emerson Electric Co Filter cage for wet/dry vacuums
D520127, Jan 14 2005 Royal Appliance Mfg. Co. Filter assembly
D521137, Jan 14 2005 Royal Appliance Mfg. Co. Filter
D541399, Sep 08 2005 Royal Appliance Mfg. Co. Filter assembly
D556402, Dec 15 2005 Laundry tub drain lint trapper
D601318, Oct 01 2008 Emerson Electric Co Filter for a wet/dry vacuum cleaner
D601319, Oct 01 2008 Emerson Electric Co Filter for a wet/dry vacuum cleaner
D601320, Oct 01 2008 Emerson Electric Co Filter for a wet/dry vacuum cleaner
D617065, Oct 01 2008 Emerson Electric Co Filter for a wet/dry vacuum cleaner
D716429, Aug 23 2013 S&B FILTERS, INC Air filter with four elliptically-shaped filter cones
D716430, Aug 23 2013 S&B FILTERS, INC Air filter with four squarely-shaped filter cones
D716431, Aug 23 2013 S&B FILTERS, INC Air filter with four circularly-shaped filter cones
D750334, Jun 06 2014 The Procter & Gamble Company Filter bag
D793544, Dec 19 2013 EDELBROCK, LLC Air filter
D844103, Jan 18 2017 YOSHIDA TEKKO KABUSHIKI KAISHA Filtration drum
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
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
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
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
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 14 2002THUR, CHARLES J ROYAL APPLIANCE MFG CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0132150151 pdf
Aug 16 2002Royal Appliance Mfg. Co.(assignment on the face of the patent)
Aug 16 2002PALIOBEIS, STEVEN J ROYAL APPLIANCE MFG CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0132150151 pdf
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