Expandable window fan

- Duracraft Corporation
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Description

FIG. 1 is a front elevational view of an expandable window fan showing my 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 right side elevational view thereof, the left side being a mirror image of that shown.

Referenced Cited
U.S. Patent Documents
5190496 March 2, 1993 Shih-Chin
Other references
  • Lakewood Engineering and Manufacturing Co. Cat., p. 10, Fan Model T-99, upper left side of page.
Patent History
Patent number: D345011
Type: Grant
Filed: Apr 9, 1993
Date of Patent: Mar 8, 1994
Assignee: Duracraft Corporation (Whitinsville, MA)
Inventor: Richard M. O'Grady (Southington, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorneys: John E. Toupal, Harold G. Jarcho
Application Number: 0/6,881