Heat dissipation fan

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Description

FIG. 1 is a perspective view of the heat dissipation fan showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
5079438 January 7, 1992 Heung
5288203 February 22, 1994 Thomas
5309983 May 10, 1994 Bailey
5582506 December 10, 1996 Hong
5638895 June 17, 1997 Dodson
5689404 November 18, 1997 Katsui
Foreign Patent Documents
2230147 October 1990 GBX
Patent History
Patent number: D398392
Type: Grant
Filed: Oct 7, 1997
Date of Patent: Sep 15, 1998
Assignee: Sunonwealth Electric Machine Industry Co. Ltd.
Inventor: Alex Horng (Kaohsiung)
Primary Examiner: Lisa Lichtenstein
Law Firm: Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
Application Number: 0/77,603
Classifications
Current U.S. Class: Fan Or Ventilator (D23/370); D14/114
International Classification: 2304;