Aquarium heater

- Rolf C. Hagen (USA) Corp.
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Description

FIG. 1 is a front elevational view of an aquarium heater, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

The conventional electrical cord has been shown fragmentarily in FIGS. 1-4 for ease of illustration.

Referenced Cited
U.S. Patent Documents
D214165 May 1969 Sesholtz
3842241 October 1974 Isaacson et al.
4313048 January 26, 1982 Holbrook
Patent History
Patent number: D268360
Type: Grant
Filed: Nov 14, 1980
Date of Patent: Mar 22, 1983
Assignee: Rolf C. Hagen (USA) Corp. (Mansfield, MA)
Inventor: Arthur J. Holbrook (Lynnfield, MA)
Primary Examiner: Catherine E. Kemper
Law Firm: Wolf, Greenfield & Sacks
Application Number: 6/206,874
Classifications
Current U.S. Class: D23/77; D23/86; D23/87
International Classification: D2303;