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The ornamental design for an aquarium filter, substantially as shown and described. |
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FIG. 1 is a perspective view of an aquarium filter, showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a left rear elevational view, the right rear being a mirror image thereof;
FIG. 4 is an elevational view taken from the left front and left rear thereof;
FIG. 5 is a left front elevational view, the right front being a mirror image thereof;
FIG. 6 is an elevational view taken from left front and right front thereof; and
FIG. 7 is a bottom plan view.
| Patent | Priority | Assignee | Title |
| D280658, | May 06 1983 | WILLINGER BROS INC | Aquarium filter |
| D291825, | Dec 21 1984 | Penn Plax Plastics, Inc. | Aquarium filter cartridge |
| D410992, | Jun 09 1998 | UNITED PET GROUP, INC | Split flow diffuser for an aquarium |
| D474526, | Jan 26 2002 | EHEIM GMBH & CO KG | Filter for an aquarium |
| D474527, | Jan 26 2002 | Eheim GmbH & Co KG | Holder for a filter for an aquarium |
| D949288, | Aug 26 2020 | Filter of water drinking device for pets |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 06 1976 | Willinger Bros., Inc. | (assignment on the face of the patent) | / | |||
| Apr 28 1977 | WILLINGER, ALLAN H | WILLINGER BROS , INC WRIGHT WAY | CORRECTIVE ASSIGNMENTS | 006676 | /0057 |
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