- Delta Electronics Inc.
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FIG. 1 is a perspective view of an impeller showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom view thereof;

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

FIG. 7 is a rear view thereof.


The ornamental design for an impeller, as shown and described herein.

Referenced Cited
U.S. Patent Documents
D453827 February 19, 2002 Kuo et al.
D463021 September 17, 2002 Huang et al.
Patent History
Patent number: D486572
Type: Grant
Filed: Apr 17, 2003
Date of Patent: Feb 10, 2004
Assignee: Delta Electronics Inc.
Inventors: Te-Fu Chen (Yunlin), Ju-Wen Hsieh (Changhua), Tsung-Yu Lei (Taipei)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/179,927
Current U.S. Class: Fan Or Ventilator Blade (D23/413)
International Classification: 2304;