Box fan

Description

FIG. 1 is a front, top, and right side perspective view of a box fan showing my new design;

FIG. 2 is a front elevational view thereof;

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

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D248043 May 30, 1978 Schade
D277130 January 8, 1985 Schade
D282102 January 7, 1986 Yuen
D286428 October 28, 1986 Liu
D291350 August 11, 1987 Sherman et al.
D300353 March 21, 1989 Yurkovic
D300776 April 18, 1989 Fu et al.
2968457 January 1961 Krauss
Other references
  • Hong Kong Enterprise 4/7/82, p. 71, Box Fan Model 2202, p. 71, right middle side of page. Electrical Appliance News, 4-1-46, p. 137, Thermador Fan.
Patent History
Patent number: D325432
Type: Grant
Filed: Apr 1, 1991
Date of Patent: Apr 14, 1992
Assignee: Tatung Company of America, Inc. (Long Beach, CA)
Inventor: Robynn M. Cook (Long Beach, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Jack C. Munro
Application Number: 7/677,879
Classifications
Current U.S. Class: Wire Protective Grille (D23/381)