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The ornamental design for an aquarium filter, as shown and described.
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FIG. 1 is a top perspective view of an aquarium filter according to the present invention;
FIG. 2 is a rear view thereof thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
Elements depicted with broken lines do not constitute portions of the claimed design.
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
D248965, | Apr 26 1977 | Willinger Bros., Inc. | Aquarium filter |
D268607, | Dec 01 1980 | Aquarium filter | |
D296001, | May 09 1986 | Veny Plastic Company Limited | Aquarium filter |
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