Aquarium air pump
Latest Rolf C. Hagen (USA) Corp. Patents:
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.
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