Ballpoint pen
Latest Kabushiki Kaisha Pilot Corporation Patents:
- Oil-based ballpoint pen
- Oil-based ink composition for ballpoint pens and ballpoint pen employing the same
- Water-soluble sheet-like coloring material, water-soluble sheet-like coloring material set, and paint set
- Reversibly thermochromic composition, reversibly thermochromic microcapsule pigment encapsulating reversibly thermochromic composition, and writing instrument using reversibly thermochromic microcapsule pigment
- Aqueous ink composition for reversibly thermochromic writing instrument, and refill and aqueous ballpoint pen incorporating aqueous ink composition for reversibly thermochromic writing instrument
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)