Ballpoint pen
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Description
Claims
The ornamental design for a ballpoint pen, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D412342 | July 27, 1999 | Shimizu |
| D419541 | January 25, 2000 | Kawashima |
| D444499 | July 3, 2001 | Nakazawa |
| D450769 | November 20, 2001 | Nishida |
| D452526 | December 25, 2001 | Nishida |
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| D461501 | August 13, 2002 | Nishida |
| D463821 | October 1, 2002 | Nishida |
| D472577 | April 1, 2003 | Sakuno et al. |
| D474241 | May 6, 2003 | Hasegawa |
| D478627 | August 19, 2003 | Moon |
| D478932 | August 26, 2003 | Moon |
| D489088 | April 27, 2004 | Arita et al. |
| D495002 | August 24, 2004 | Sung |
| D500337 | December 28, 2004 | Tsuchida |
| D506780 | June 28, 2005 | Nakazawa |
| D510104 | September 27, 2005 | Qiu |
| D525302 | July 18, 2006 | Togawa |
| D527765 | September 5, 2006 | Togawa |
| 2060027 | February 1997 | GB |
| 2104829 | May 2002 | GB |
| 3003903 | August 2002 | GB |
| DM 049905 | July 1999 | WO |
| DM 050420 | November 1999 | WO |
Patent History
Patent number: D551710
Type: Grant
Filed: Sep 26, 2005
Date of Patent: Sep 25, 2007
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Masayuki Tsuchida (Tokyo)
Primary Examiner: Elizabeth A. Albert
Assistant Examiner: Karen E. Eldridge
Attorney: Manabu Kanesaka
Application Number: 29/239,041
Type: Grant
Filed: Sep 26, 2005
Date of Patent: Sep 25, 2007
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Masayuki Tsuchida (Tokyo)
Primary Examiner: Elizabeth A. Albert
Assistant Examiner: Karen E. Eldridge
Attorney: Manabu Kanesaka
Application Number: 29/239,041
Classifications
Current U.S. Class:
Substantially Circular Or Oval In Cross Section (D19/51)