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The ornamental design for an aquarium filter, as shown and described.
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FIG. 1 is a perspective view of the filter;
FIG. 2 is a top plan view of the filter;
FIG. 3 is a right side elevational view of the filter;
FIG. 4 is a front elevational view of the filter;
FIG. 5 is a rear elevational view of the filter;
FIG. 6 is a left side elevational view of the filter; and,
FIG. 7 is a bottom plan view of the filter.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
Warden, Jeffrey Alan, Carley, Joseph Christopher, Fox, Jr., John Edward
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Mar 01 2001 | Warner-Lambert Company | (assignment on the face of the patent) | / | |||
Sep 08 2004 | Royal Bank of Scotland PLC | TETRA HOLDING US , INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015293 | /0412 | |
Dec 17 2012 | SPECTRUM BRANDS, INC | Wells Fargo Bank, National Association | PATENT SECURITY AGREEMENT | 029536 | /0634 | |
Dec 17 2012 | United Industries Corporation | Wells Fargo Bank, National Association | PATENT SECURITY AGREEMENT | 029536 | /0634 | |
Dec 17 2012 | UNITED PET GROUP, INC | Wells Fargo Bank, National Association | PATENT SECURITY AGREEMENT | 029536 | /0634 | |
Dec 17 2012 | APPLICA CONSUMER PRODUCTS, INC | Wells Fargo Bank, National Association | PATENT SECURITY AGREEMENT | 029536 | /0634 | |
Dec 17 2012 | ROVCAL, INC | Wells Fargo Bank, National Association | PATENT SECURITY AGREEMENT | 029536 | /0634 |
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