Portable fan

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of a portable fan showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a side elevational view thereof, the opposite side being substantially a mirror image of that shown.

Referenced Cited
U.S. Patent Documents
D221077 July 1971 Stut
4836751 June 6, 1989 Liu
Foreign Patent Documents
113096 September 1981 JPX
135797 October 1981 JPX
190496 October 1984 JPX
Other references
  • Merchandising Week, 1/5/70, p. 38, Fans 40FAV and 40GAV. Hardware Age, Mar. 1974, p. 26, Fans 2, 4 and 5, bottom right, middle right, and bottom right sides of page, respectively. Winnower Fan Co. advertising flyer, Mar. 24, 1986, desk Oscillator Fan, top right side of page. Tatung Fan cat., p. 2, Oscillating Fans LC-16, LG-9, LE 7, LD-12, upper left and middle sides of page. Grainger's Spring '86 catalog, p. 1281, Oscillating Circulator Fans, B and C, top middle and right sides of page, respectively, and p. 1300, Oscillating Circulators-Table, 1 and 2, top left and right sides of page respectively. Sears Spring/Summer cat. 1980, p. 1200, Oscillating Fans 1, 2 and 3, upper left side of page.
Patent History
Patent number: D319099
Type: Grant
Filed: Jul 3, 1989
Date of Patent: Aug 13, 1991
Assignee: Lasko Metal Products, Inc. (West Chester, PA)
Inventors: Edward P. Cheslock (Lincoln University, PA), Ralph Zwakenberg (Claymont, DE)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorney: Z. T. Wobensmith, III
Application Number: 7/375,334
Classifications
Current U.S. Class: Circular Grille (D23/382)