Portable electric heater

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Description

FIG. 1 is a perspective view taken from the top and rear of a portable electric heater, showing my new design;

FIG. 2 is a perspective view taken from the bottom and front thereof;

FIG. 3 is a perspective view taken from the top and rear of a portable electric heater, showing a second embodiment of my new design; and

FIG. 4 is a perspective view taken from the bottom and front of FIG. 3 thereof.

Referenced Cited
U.S. Patent Documents
D164613 September 1951 Wahlberg et al.
D246253 November 1, 1977 Schade
2552470 May 1951 Wahlberg et al.
Patent History
Patent number: D314615
Type: Grant
Filed: Aug 4, 1988
Date of Patent: Feb 12, 1991
Inventor: Michael W. Hetherington (Mount Albert, Ontario)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Ridout & Maybee
Application Number: 7/228,046
Classifications
Current U.S. Class: Heating Element Protected By Grille, Grid, Etc. (D23/335)