Ballpoint pen
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- REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING THE SAME
- REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING THE SAME
Description
Claims
The ornamental design for a ballpoint pen, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D368930 | April 16, 1996 | Payne |
D387803 | December 16, 1997 | Izushima |
D438903 | March 13, 2001 | Rosenbaum |
D442635 | May 22, 2001 | Izushima |
D443896 | June 19, 2001 | Briggl et al. |
D452878 | January 8, 2002 | Candelora et al. |
D452879 | January 8, 2002 | Koike |
D489088 | April 27, 2004 | Arita et al. |
D495363 | August 31, 2004 | Qiu |
1043790 | July 1999 | JP |
1215443 | August 2004 | JP |
Patent History
Patent number: D549777
Type: Grant
Filed: Jan 31, 2006
Date of Patent: Aug 28, 2007
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Lode Soetewey (Paris)
Primary Examiner: Elizabeth A. Albert
Attorney: Sughrue Mion, PLLC
Application Number: 29/252,946
Type: Grant
Filed: Jan 31, 2006
Date of Patent: Aug 28, 2007
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Lode Soetewey (Paris)
Primary Examiner: Elizabeth A. Albert
Attorney: Sughrue Mion, PLLC
Application Number: 29/252,946
Classifications
Current U.S. Class:
Substantially Circular Or Oval In Cross Section (D19/51)