Patent
   D246724
Priority
Dec 06 1976
Filed
Dec 06 1976
Issued
Dec 20 1977
Expiry
Dec 20 1991
Assg.orig
Entity
unknown
6
9
n/a
The ornamental design for an aquarium filter, substantially as shown and described.

FIG. 1 is a perspective view of an aquarium filter, showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a left rear elevational view, the right rear being a mirror image thereof;

FIG. 4 is an elevational view taken from the left front and left rear thereof;

FIG. 5 is a left front elevational view, the right front being a mirror image thereof;

FIG. 6 is an elevational view taken from left front and right front thereof; and

FIG. 7 is a bottom plan view.

Willinger, Allan H.

Patent Priority Assignee Title
D280658, May 06 1983 WILLINGER BROS INC Aquarium filter
D291825, Dec 21 1984 Penn Plax Plastics, Inc. Aquarium filter cartridge
D410992, Jun 09 1998 UNITED PET GROUP, INC Split flow diffuser for an aquarium
D474526, Jan 26 2002 EHEIM GMBH & CO KG Filter for an aquarium
D474527, Jan 26 2002 Eheim GmbH & Co KG Holder for a filter for an aquarium
D949288, Aug 26 2020 Filter of water drinking device for pets
Patent Priority Assignee Title
3477580,
3630367,
3746168,
3746169,
174482,
190273,
213555,
213691,
232027,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 06 1976Willinger Bros., Inc.(assignment on the face of the patent)
Apr 28 1977WILLINGER, ALLAN H WILLINGER BROS , INC WRIGHT WAYCORRECTIVE ASSIGNMENTS0066760057 pdf
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