Aquarium air pump

- Willinger Bros., Inc.
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Description

FIG. 1 is a perspective view taken from the front and left side of an aquarium air pump, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D207363 April 1967 Lovitz
D215765 October 1969 Levin
D224355 July 1972 Kondo
D224356 July 1972 Kondo
D227506 June 1973 Kondo
D227507 June 1973 Kondo
3671151 June 1972 Duke et al.
3825374 July 1974 Kondo
3830596 August 1974 Kondo
Patent History
Patent number: D247435
Type: Grant
Filed: Jul 28, 1976
Date of Patent: Mar 7, 1978
Assignee: Willinger Bros., Inc. (New York, NY)
Inventors: Allan H. Willinger (New York, NY), Harding W. Willinger (New York, NY), Monte L. Levin (New York, NY)
Primary Examiner: James R. Largen
Attorney: Abraham Friedman
Application Number: 5/709,546
Classifications
Current U.S. Class: Aquarium Type (D15/8)
International Classification: D1502;