Heater fan

- Duracraft Corp.
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Description

FIG. 1 is a perspective view of a heater fan showing my new design;

FIG. 2 is an enlarged front elevation view thereof;

FIG. 3 is an enlarged right side elevation view thereof, the left side being a mirror image of that shown;

FIG. 4 is an enlarged top plan view thereof;

FIG. 5 is an enlarged bottom plan view thereof; and

FIG. 6 is an enlarged rear elevation view thereof.

Referenced Cited
U.S. Patent Documents
D190891 July 1961 Mobley
D296467 June 28, 1988 Wen-Ying
D310871 September 25, 1990 Liu
Other references
  • Housewares, Apr. 21-27, 1988, p. 15, Ceramic Heaters A,B,C,D, top right and middle right side of page.
Patent History
Patent number: D323382
Type: Grant
Filed: Mar 13, 1989
Date of Patent: Jan 21, 1992
Assignee: Duracraft Corp. (Sudbury, MA)
Inventor: Jui-shang Wang (Taipei)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Lahive & Cockfield
Application Number: 7/322,711
Classifications
Current U.S. Class: Heating Element Protected By Grille, Grid, Etc. (D23/335)