Aquarium filter

- Willinger Bros., Inc.
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Description

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.

Referenced Cited
U.S. Patent Documents
D174482 April 1955 Willinger et al.
D190273 May 1961 Stark
D213555 March 1969 Willinger
D213691 April 1969 Rosenel
D232027 July 1974 Levin
3477580 November 1969 Willinger
3630367 December 1971 Willinger
3746168 July 1973 Willinger et al.
3746169 July 1973 Willinger et al.
Patent History
Patent number: D246724
Type: Grant
Filed: Dec 6, 1976
Date of Patent: Dec 20, 1977
Assignee: Willinger Bros., Inc. (New York, NY)
Inventor: Allan H. Willinger (New York, NY)
Primary Examiner: James R. Largen
Attorney: Abraham Friedman
Application Number: 5/748,101
Classifications
Current U.S. Class: D23/4
International Classification: D2301;