Expandable speaker
Description
Claims
The ornamental design for an expandable speaker, as shown and described.
Referenced Cited
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Patent History
Patent number: D728521
Type: Grant
Filed: Oct 14, 2013
Date of Patent: May 5, 2015
Inventor: Michael Weibin Zhang (Yuen Long)
Primary Examiner: Keli L Hill
Application Number: 29/469,694
Type: Grant
Filed: Oct 14, 2013
Date of Patent: May 5, 2015
Inventor: Michael Weibin Zhang (Yuen Long)
Primary Examiner: Keli L Hill
Application Number: 29/469,694
Classifications
Current U.S. Class:
Circular Or Oval (D14/216)