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
The portions shown in broken lines in the drawing figures show environmental structure only, and form no part of the claimed design.
Claims
The ornamental design for a ballpoint pen, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D612427
Type: Grant
Filed: Apr 23, 2009
Date of Patent: Mar 23, 2010
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Lode Soetewey (Paris)
Primary Examiner: Elizabeth A Albert
Attorney: Sughrue Mion, PLLC
Application Number: 29/335,879
Type: Grant
Filed: Apr 23, 2009
Date of Patent: Mar 23, 2010
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Lode Soetewey (Paris)
Primary Examiner: Elizabeth A Albert
Attorney: Sughrue Mion, PLLC
Application Number: 29/335,879
Classifications
Current U.S. Class:
Lateral Striation (D19/48)