Ballpoint pen
Latest Hangzhou Prostar Enterprises Ltd. Patents:
Description
Claims
The ornamental design for a ballpoint pen, as shown and described.
Referenced Cited
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Patent History
Patent number: D688305
Type: Grant
Filed: Nov 6, 2011
Date of Patent: Aug 20, 2013
Assignee: Hangzhou Prostar Enterprises Ltd. (Hangzhou, Zhejiang)
Inventor: Weidong Mao (Hangzhou)
Primary Examiner: Elizabeth Albert
Application Number: 29/405,767
Type: Grant
Filed: Nov 6, 2011
Date of Patent: Aug 20, 2013
Assignee: Hangzhou Prostar Enterprises Ltd. (Hangzhou, Zhejiang)
Inventor: Weidong Mao (Hangzhou)
Primary Examiner: Elizabeth Albert
Application Number: 29/405,767
Classifications
Current U.S. Class:
Substantially Circular Or Oval In Cross Section (D19/51)