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Patent
D291721
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Priority
Dec 16 1985
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Filed
Dec 16 1985
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Issued
Sep 01 1987
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Expiry
Sep 01 2001
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Assg.orig
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Entity
unknown
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2
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6
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n/a
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The ornamental design for an aquarium filter cartridge, and described as shown.
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FIG. 1 is a front perspective view of an aquarium filter cartridge showing
my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side elevational view thereof, the side opposite being
identical in appearance; and
FIG. 5 is a bottom plan view thereof.
Willinger, Allan H.
Patent |
Priority |
Assignee |
Title |
3900397, |
|
|
|
4376053, |
Sep 09 1978 |
Ambic Group Limited |
Method and system employing a filter-detector for detecting mastitis in cows |
4518495, |
Sep 17 1982 |
|
Pool skimmer |
D271416, |
Mar 16 1981 |
|
Filter cartridge frame |
D273223, |
Oct 05 1981 |
RALPH C HAGEN U S A CORP , 50 HAMPDEN ROAD, MANSFIELD, MASSACHUSETTS, A CORP OF MASSACHUSETTS |
Filter |
D283438, |
Aug 05 1982 |
Conair Corporation |
Replaceable air filter |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a