Aquarium air pump

- Rolf C. Hagen (USA) Corp.
Description

FIG. 1 is a perspective view of one embodiment of an aquarium air pump showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment of an aquarium air pump showing my new design;

FIG. 9 is a perspective view of a third embodiment of an aquarium air pump showing my new design; and

FIG. 10 is a perspective view of a fourth embodiment of an aquarium air pump showing my new design.

The left end, rear elevation and bottom plan views of the embodiments of FIGS. 8-10 are essentially the same as the corresponding views of the first embodiment shown in FIGS. 3, 6 and 7, respectively.

The broken line showing of a cord in FIGS. 1, 2, 3, 4, 5 and 7 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D198066 April 1964 Jemison et al.
D294359 February 23, 1988 Tsai
D294360 February 23, 1988 Levin
D300433 March 28, 1989 Byar et al.
Patent History
Patent number: D306449
Type: Grant
Filed: Aug 22, 1988
Date of Patent: Mar 6, 1990
Assignee: Rolf C. Hagen (USA) Corp. (Mansfield, MA)
Inventor: Gaad Shannon (Westmount)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Law Firm: Wolf, Greenfield & Sacks
Application Number: 7/234,840
Classifications
Current U.S. Class: Aquarium Type (D15/8)