Patent
   D291721
Priority
Dec 16 1985
Filed
Dec 16 1985
Issued
Sep 01 1987
Expiry
Sep 01 2001
Assg.orig
Entity
unknown
2
6
n/a
The ornamental design for an aquarium filter cartridge, and described as shown.

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
D307626, Oct 30 1987 Willinger Brothers, Inc. Aquarium filter cartridge
D331448, Apr 17 1990 Lewis H., Jaslow Aquarium filter cartridge
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 22 1977WILLINGER, ALLAN H WILLINGER BROS , INC CORRECTIVE ASSIGNMENTS, SEE DOCUMENT FOR DETAILS 0066760033 pdf
Dec 06 1985WILLINGER, ALLAN H WILLINGER BROS INCASSIGNMENT OF ASSIGNORS INTEREST 0044960805 pdf
Dec 16 1985Willinger Bros.(assignment on the face of the patent)
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