Aquarium filter

- Willinger Bros., Inc.

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is an exploded perspective view thereof.

Referenced Cited
U.S. Patent Documents
D205582 August 1966 Willinger
D220486 April 1971 Sesholtz
D222619 November 1971 Lovitz
D291720 September 1, 1987 Willinger et al.
D294172 February 9, 1988 Willinger
4842727 June 27, 1989 Willinger et al.
Patent History
Patent number: D317966
Type: Grant
Filed: Aug 15, 1988
Date of Patent: Jul 2, 1991
Assignee: Willinger Bros., Inc. (Oakland, NJ)
Inventor: Allan H. Willinger (Oakland, NJ)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Helfgott & Karas
Application Number: 7/232,612