Patent
   D539408
Priority
May 23 2005
Filed
Aug 09 2005
Issued
Mar 27 2007
Expiry
Mar 27 2021
Assg.orig
Entity
unknown
16
3
n/a
The ornamental design for a centrifugal fan, as shown and described herein.

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.

Huang, Wen-shi, Hsu, Kuo-Tung, Wu, Chun-Nan

Patent Priority Assignee Title
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Patent Priority Assignee Title
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234203,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 01 2005WU, CHUN-NANDelta Electronics, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0168740591 pdf
Jun 01 2005HSU, KUO-TUNGDelta Electronics, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0168740591 pdf
Jun 01 2005HUANG, WEN-SHIDelta Electronics, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0168740591 pdf
Aug 09 2005Delta Electronics Inc.(assignment on the face of the patent)
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