Aquarium filter

- Penn-Plax Plastics, Inc.
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Description

FIG. 1 is a perspective view of the aquarium filter showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an elevational view taken from one side thereof, the opposite side being a mirror image of the side shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top plan view thereof.

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: D246793
Type: Grant
Filed: Sep 30, 1976
Date of Patent: Dec 27, 1977
Assignee: Penn-Plax Plastics, Inc. (Garden City, NY)
Inventors: Marvin A. Goldman (Great Neck, NY), Jerome N. Goldman (New York, NY), Silvio J. DiMarchi (Brooklyn, NY), Barbara A. Mesquida (Brooklyn, NY)
Primary Examiner: James R. Largen
Attorney: Hubert T. Mandeville
Application Number: 5/728,391
Classifications
Current U.S. Class: D23/4
International Classification: D2301;