Centrifugal fan

- Delta Electronics Inc.
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Description

FIG. 1 is a perspective view of a centrifugal fan showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

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

FIG. 7 is a right side view thereof.

Claims

The ornamental design for a centrifugal fan, as shown and described herein.

Referenced Cited
U.S. Patent Documents
D234203 January 1975 Gunter
6042335 March 28, 2000 Amr
6884033 April 26, 2005 Liao
Patent History
Patent number: D539408
Type: Grant
Filed: Aug 9, 2005
Date of Patent: Mar 27, 2007
Assignee: Delta Electronics Inc. (Taoyuan Hsien)
Inventors: Chun-Nan Wu (Taoyuan Hsien), Kuo-Tung Hsu (Taoyuan Hsien), Wen-Shi Huang (Taoyuan Hsien)
Primary Examiner: Lisa Lichtenstein
Attorney: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/235,890
Classifications
Current U.S. Class: Fan Or Ventilator (D23/370)