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Patent
   D538883
Priority
Jun 24 2005
Filed
Jun 24 2005
Issued
Mar 20 2007
Expiry
Mar 20 2021
Inventors
Stockhowe,…
Assg.orig
CHAMPION L…
Assg.curr
BMO HARRIS…
Entity
unknown
Referenced by
3
References
5
Maint.:
n/a
We claim the ornamental design for a stepped filter housing, as shown and described.

FIG. 1 is a perspective view of the stepped filter housing, the material shown in dotted lines not being a part of my design;

FIG. 2 is a side view thereof, the material shown in dotted lines not being a part of my design;

FIG. 3 is a top view thereof; and,

FIG. 4 is a plan view thereof, the material shown in dotted lines not being a part of my design.
INVENTORS:

Stockhowe, John W., Watson, William R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D554245, May 09 2006 Endustra Filter Manufacturers Filter hood
ER3705,
ER4369,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4855041, Apr 24 1987 Parker Intangibles LLC Fluid filter drain assembly
5922196, Oct 27 1995 Ing. Walter Hengst GmbH & Co. KG Liquid filter with connection flange
6120685, Feb 26 1999 Maytag Corporation Water filtering system with replaceable cartridge for a refrigerator
6488848, Apr 24 2000 Vortex International, LLC Cleanable filter with ported cylinder adjacent screen
6835305, Oct 23 1999 MAHLE Filtersysteme GmbH Liquid filter, especially an oil filter
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 13 2005STOCKHOWE, JOHN W CHAMPION LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0188000094 pdf
Jun 13 2005WATSON, WILLIAM R CHAMPION LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0188000094 pdf
Jun 24 2005Champion Laboratories, Inc.(assignment on the face of the patent)
Sep 23 2010CHAMPION LABORATORIES, INC BANK OF AMERICA, N A , AS AGENTSECURITY AGREEMENT0252380201 pdf
Jan 26 2011CHAMPION LABORATORIES, INC WILMINGTON TRUST FSB, AS COLLATERAL AGENTSECURITY AGREEMENT0257070224 pdf
Jan 26 2011BANK OF AMERICA, N A AIRTEX PRODUCTS, LPRELEASE OF SECURITY INTEREST IN PATENT COLLATERAL0257260344 pdf
Jan 26 2011BANK OF AMERICA, N A CHAMPION LABORATORIES, INC RELEASE OF SECURITY INTEREST IN PATENT COLLATERAL0257260344 pdf
Jan 26 2011AIRTEX PRODUCTS, LPWILMINGTON TRUST FSB, AS COLLATERAL AGENTSECURITY AGREEMENT0257070224 pdf
Sep 30 2015WILMINGTON TRUST, NATIONAL ASSOCIATION AS SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB , AS COLLATERAL AGENTCHAMPION LABORATORIES, INC RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0367040348 pdf
Sep 30 2015WILMINGTON TRUST, NATIONAL ASSOCIATION AS SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB , AS COLLATERAL AGENTAIRTEX PRODUCTS, LPRELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0367040348 pdf
Sep 30 2015AIRTEX PRODUCTS, LPCREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTSECURITY AGREEMENT0368750663 pdf
Sep 30 2015CHAMPION LABORATORIES, INC CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTSECURITY AGREEMENT0368750663 pdf
Dec 23 2016Fram Group IP LLCCREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0411900001 pdf
Dec 30 2016Credit Suisse AG, Cayman Islands BranchCHAMPION LABORATORIES, INC TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS0412910741 pdf
Dec 30 2016Credit Suisse AG, Cayman Islands BranchAIRTEX PRODUCTS, LPTERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS0412910741 pdf
Dec 30 2016CHAMPION LABORATORIES, INC Wells Fargo Bank, National AssociationSECURITY AGREEMENT0412320660 pdf
Feb 16 2017CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS RESIGNING COLLATERAL AGENTBMO HARRIS BANK, N A , AS SUCCESSOR COLLATERAL AGENTASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0417390040 pdf
Feb 26 2019CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTFram Group IP LLCRELEASE OF TERM LOAN PATENT SECURITY INTEREST0484550869 pdf
Feb 26 2019BMO HARRIS BANK N A , AS COLLATERAL AGENTFram Group IP LLCRELEASE OF ABL PATENT SECURITY INTEREST0484550808 pdf
Jul 31 2020CHAMPION LABORATORIES, INC Bank of AmericaSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0533920488 pdf
Jul 31 2020BPI HOLDINGS INTERNATIONAL, INC JEFFERIES FINANCE LLCSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0533760061 pdf
Jul 31 2020Brake Parts Inc LLCJEFFERIES FINANCE LLCSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0533760061 pdf
Jul 31 2020CHAMPION LABORATORIES, INC JEFFERIES FINANCE LLCSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0533760061 pdf
Jul 31 2020Wells Fargo Bank, National AssociationCHAMPION LABORATORIES, INC TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS0533890127 pdf
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