Heat dissipation fan

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Description

FIG. 1 is a perspective view of a heat dissipation fan showing a first embodiment of 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.

FIG. 8 is a perspective view of a heat dissipation fan showing a second embodiment of my new design;

FIG. 9 is a top plan view of FIG. 8;

FIG. 10 is a right side elevational view of FIG. 8;

FIG. 11 is a front elevational view of FIG. 8;

FIG. 12 is a rear elevational view of FIG. 8;

FIG. 13 is a left side elevational view of FIG. 8; and,

FIG. 14 is a bottom plan view of FIG. 8.

Referenced Cited
U.S. Patent Documents
5079438 January 7, 1992 Heung
5288203 February 22, 1994 Thomas
5309983 May 10, 1994 Bailey
5494098 February 27, 1996 Morosas
5582506 December 10, 1996 Hong
5629834 May 13, 1997 Kodama et al.
5638895 June 17, 1997 Dodson
5689404 November 18, 1997 Katsui
Foreign Patent Documents
3408139 September 1985 DEX
Patent History
Patent number: D408514
Type: Grant
Filed: Oct 7, 1997
Date of Patent: Apr 20, 1999
Assignee: Sunonwealth Electric Machine Industry Co., Ltd.
Inventor: Alex Horng (Kaohsiung)
Primary Examiner: Lisa Lichtenstein
Law Firm: Pillsbury Madison & Sutro LLP
Application Number: 0/77,607
Classifications
Current U.S. Class: Fan Or Ventilator (D23/370); With Exposed Blade (D23/379)
International Classification: 2304;