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
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D419541 | January 25, 2000 | Kawashima |
D444499 | July 3, 2001 | Nakazawa |
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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 |
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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)