Pencil sharpener
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Description
The broken lines on the top in
Claims
The ornamental design for a pencil sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D678414
Type: Grant
Filed: Sep 27, 2012
Date of Patent: Mar 19, 2013
Assignee: SDI Corporation (Chang Hua)
Inventor: Szu-Yu Chen (Chang Hua)
Primary Examiner: Elizabeth Albert
Application Number: 29/433,228
Type: Grant
Filed: Sep 27, 2012
Date of Patent: Mar 19, 2013
Assignee: SDI Corporation (Chang Hua)
Inventor: Szu-Yu Chen (Chang Hua)
Primary Examiner: Elizabeth Albert
Application Number: 29/433,228
Classifications
Current U.S. Class:
Pencil Sharpener (D19/73)