Patent
   D577808
Priority
Sep 10 2007
Filed
Sep 10 2007
Issued
Sep 30 2008
Expiry
Sep 30 2022
Assg.orig
Entity
unknown
7
2
n/a
The ornamental design for an electric fan, as shown and described.

FIG. 1 is a perspective view of an electric fan;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Chang, Chih-Huang, Chen, Shen-Yuan

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Patent Priority Assignee Title
2420209,
D329695, Sep 24 1991 Deng-Huei, Huang Electric fan
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