Title:
Convertible fan unit
United States Patent D318526


Inventors:
Chaney, David B. (Powell, OH)
Application Number:
07/390666
Publication Date:
07/23/1991
Filing Date:
08/07/1989
Assignee:
The W. B. Marvin Manufacturing Company (Urbana, OH)
Primary Class:
Field of Search:
D23/370, D23/382, D23/388, 415/119, 415/211.2, 415/213.1, 416/5, 416/247R, 416/246
View Patent Images:
US Patent References:
D307320Combined window and floor fanApril, 1990Shin-ChinD23/382
4872399Convertible fan assemblyOctober, 1989Chaney98/941
4838151Combination window and floor fanJune, 1989Shin-Chin98/941
4657483Shrouded household fanApril, 1987Bede415/222
4521153Blower and rotating wind deflectorJune, 1985Morimoto et al.415/146
4425840BlowerJanuary, 1984Masao98/402
4365930Electric fanDecember, 1982Ogura et al.415/61
4350472Electric fan apparatusSeptember, 1982Morimoto415/125
4341151Electric fanJuly, 1982Sakamoto98/941
4222318Combination window and floor fanSeptember, 1980Patton et al.98/941
4123197Fan with air directing grilleOctober, 1978Keem et al.415/123
2857095All-purpose fanOctober, 1958Grau416/246
2805820Twin window fanSeptember, 1957Evarts417/238
2804817Detachable supporting provisions for window fansSeptember, 1957Delf et al.98/941
D179847N/AMarch, 1957GrinerD23/388
2691336Window ventilating deviceOctober, 1954Nash98/941
2644390Reversible-flow window fanJuly, 1953Delf et al.98/941
D164139N/AJuly, 1951BastianD23/382
2487294Air moving deviceNovember, 1949Belter98/941
2456340VentilatorDecember, 1948Tideman98/941
2123448Air circulatorJuly, 1938Weber416/246
2118282Deflector for automobile heatersMay, 1938Will98/1
1990801Air distributor for electric fansFebruary, 1935Spear416/171
1725085Fan constructionAugust, 1929Johnson416/124



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.
Primary Examiner:
LICHTENSTEIN, LISA P
Attorney, Agent or Firm:
ROGER S. DVBVIG (22 GREEN STREET, DAYTON, OH, 45402, US)
Claims:
1. The ornamental design for a convertible fan unit, as shown and described.

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.