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Patent
D779633
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Priority
Jun 17 2015
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Filed
Dec 09 2015
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Issued
Feb 21 2017
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Expiry
Feb 21 2032
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Assg.orig
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Entity
unknown
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0
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20
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n/a
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The ornamental design for a sand filtration aquarium, as shown.
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FIG. 1 is a front view of a sand filtration aquarium showing my design;
FIG. 2 is a back view thereof,
FIG. 3 is a left view thereof;
FIG. 4 is a right view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is an isometric view thereof.
Chu, Wing Fat
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| 4421644, |
Aug 15 1980 |
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Filter housing |
| 4687575, |
Mar 10 1986 |
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Aquarium filtering system |
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Aug 26 1988 |
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Bath water heater and circulator-purifier apparatus |
| 5176824, |
Aug 02 1990 |
TETRA HOLDING US , INC |
Aerobic aquarium filter chamber |
| 5397463, |
Oct 13 1993 |
TETRA HOLDING US , INC |
Aerobic aquarium filter chamber |
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Mar 24 1993 |
Nisso Industry Co., Ltd. |
Filter for aquarium apparatus |
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Jun 07 1995 |
HARTZ MOUNTAIN CORPORATION, THE |
Fluidized bed aquarium filter |
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Jan 14 1997 |
JANSEN LABORATORIES, L L C |
Aquarium extension |
| 20030205512, |
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| 20040050759, |
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| 20060102537, |
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| 20070295654, |
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| 20130180460, |
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| 20130220932, |
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| D353439, |
May 12 1993 |
|
Fish pond filter |
| D368297, |
May 11 1994 |
|
Combined aquarium filter and aerator |
| D414242, |
Jul 17 1997 |
|
Aquarium filter |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a