Convertible fan unit

Description

FIG. 1 is a front, top and left side perspective view of a convertible fan unit, set up to function as a window fan, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view thereof shown set up as it would be to function as a floor or table fan; and

FIG. 9 is a rear perspective view of FIG. 8.

The broken-line showing of sliding panels in FIG. 1 is for illustrative purposes only, and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D164139 July 1951 Bastian
D179847 March 1957 Griner
D307320 April 17, 1990 Shin-Chin
1725085 August 1929 Johnson
1990801 February 1935 Spear
2118282 May 1938 Will
2123448 July 1938 Weber
2456340 December 1948 Tideman
2487294 November 1949 Belter
2644390 July 1953 Delf et al.
2691336 October 1954 Nash
2804817 September 1957 Delf et al.
2805820 September 1957 Evarts
2857095 October 1958 Grau
4123197 October 31, 1978 Keem et al.
4222318 September 16, 1980 Patton et al.
4341151 July 27, 1982 Sakamoto
4350472 September 21, 1982 Morimoto
4365930 December 28, 1982 Ogura et al.
4425840 January 17, 1984 Masao
4521153 June 4, 1985 Morimoto et al.
4657483 April 14, 1987 Bede
4838151 June 13, 1989 Shin-Chin
4872399 October 10, 1989 Chaney
Other references
  • Lakewood Fan Cat., p. 9, High Velocity Reversible Window Fan. Copy of a photograph of a Holmes Air Fan known by applicant before applicant's invention. Lasko copy of advertisement--these fans were on sale prior to applicant's invention.
Patent History
Patent number: D318526
Type: Grant
Filed: Aug 7, 1989
Date of Patent: Jul 23, 1991
Assignee: The W. B. Marvin Manufacturing Company (Urbana, OH)
Inventor: David B. Chaney (Powell, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Roger S. Dybvig
Application Number: 7/390,666
Classifications
Current U.S. Class: Circular Grille (D23/382)