Aquarium air pump

- Willinger Bros., Inc.
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;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view taken from the front and left side of a modified form of the aquarium air pump as shown in FIG. 1;

FIG. 7 is a top plan view of FIG. 6;

FIG. 8 is a bottom plan view of FIG. 6;

FIG. 9 is a right side elevational view of FIG. 6;

FIG. 10 is a rear elevational view of FIG. 6;

FIG. 11 is a perspective view taken from the front and left side of a second modified form of the aquarium air pump shown in FIG. 1;

FIG. 12 is a top plan view of FIG. 11;

FIG. 13 is a bottom plan view of FIG. 11;

FIG. 14 is a right side elevational view of FIG. 11; and

FIG. 15 is a rear elevational view of FIG. 11.

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: D247436
Type: Grant
Filed: Jan 17, 1977
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: 5/759,775
Classifications
Current U.S. Class: Aquarium Type (D15/8)
International Classification: D1502;