Aquarium filter

- Willinger Bros. Inc.

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

FIG. 2 is a front elevational view thereof;

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

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D174482 April 1955 Willinger
D190273 May 1961 Stark
D213555 March 1969 Willinger
D246724 December 20, 1977 Willinger
D246793 December 27, 1977 Goldman et al.
D248965 August 15, 1978 Willinger
3477580 November 1969 Willinger
3630367 December 1971 Willinger
3746168 July 1973 Willinger et al.
3746169 July 1973 Willinger et al.
3891555 June 1975 Bennett et al.
4186093 January 29, 1980 Willinger
Patent History
Patent number: D280658
Type: Grant
Filed: May 6, 1983
Date of Patent: Sep 17, 1985
Assignee: Willinger Bros. Inc. (Englewood, NJ)
Inventor: Allan H. Willinger (Englewood, NJ)
Primary Examiner: James R. Largen
Attorney: Abraham Friedman
Application Number: 6/492,466
Current U.S. Class: D23/4