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The ornamental design for a fish tank cleaning device, as shown and described.
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FIG. 1 is a front elevated view of a fish tank cleaning device showing my new design.
FIG. 2 is a rear elevated view of the fish tank cleaning device.
FIG. 3 is a right side elevated view of the fish tank cleaning device.
FIG. 4 is a left side elevated view of the fish tank cleaning device.
FIG. 5 is a top plan view of the fish tank cleaning device; and,
FIG. 6 is a bottom plan view of the fish tank cleaning device.
The electrical cord shown in the drawings is shown broken away to indicate indeterminate length.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 3485373, | |||
| 3826371, | |||
| 4957623, | Feb 02 1990 | Aquarium cleaning system using movable undergravel suction head | |
| 5048140, | Feb 12 1991 | Cleaning device for fish tank | |
| 5279730, | Jul 09 1993 | Aquarium waste cleaning device | |
| 212745, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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