Patent
   D729762
Priority
Jul 31 2013
Filed
Dec 12 2013
Issued
May 19 2015
Expiry
May 19 2029
Assg.orig
Entity
unknown
79
10
n/a
The ornamental design for audio amplifier, as shown and described.

FIG. 1 is a front view of an audio amplifier showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a first perspective view thereof;

FIG. 8 is a second perspective view thereof;

FIG. 9 is a third perspective view thereof;

FIG. 10 is a fourth perspective view thereof;

FIG. 11 is a fifth perspective view thereof; and,

FIG. 12 is a sixth perspective view thereof.

Hu, Qingjie, Wang, Zehai

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Dec 09 2013HU, QINGJIESHENZHEN RAPOO TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0317840244 pdf
Dec 09 2013WANG, ZEHAISHENZHEN RAPOO TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0317840244 pdf
Dec 12 2013SHENZHEN RAPOO TECHNOLOGY CO., LTD.(assignment on the face of the patent)
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