Ballpoint pen
Latest KABUSHIKI KAISHA PILOT CORPORATION Patents:
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- Reversibly thermochromic composition, reversibly thermochromic microcapsule pigment encapsulating reversibly thermochromic composition, and writing instrument using reversibly thermochromic microcapsule pigment
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Description
Claims
The ornamental design for a ballpoint pen, as shown and described.
Referenced Cited
U.S. Patent Documents
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| D488508 | April 13, 2004 | Finney |
| D611539 | March 9, 2010 | Zhang |
| D628646 | December 7, 2010 | Zhano |
| D655340 | March 6, 2012 | Liu |
| D666671 | September 4, 2012 | Liu |
| D685422 | July 2, 2013 | Busquets |
Patent History
Patent number: D822111
Type: Grant
Filed: Sep 27, 2016
Date of Patent: Jul 3, 2018
Assignee: KABUSHIKI KAISHA PILOT CORPORATION (Tokyo)
Inventor: Genki Iwao (Tokyo)
Primary Examiner: Elizabeth Albert
Application Number: 29/579,014
Type: Grant
Filed: Sep 27, 2016
Date of Patent: Jul 3, 2018
Assignee: KABUSHIKI KAISHA PILOT CORPORATION (Tokyo)
Inventor: Genki Iwao (Tokyo)
Primary Examiner: Elizabeth Albert
Application Number: 29/579,014
Classifications
Current U.S. Class:
D19/164;
D19/905;
D19/921