Mechanical pencil
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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 mechanical pencil, as shown and described.
Referenced Cited
U.S. Patent Documents
D449650 | October 23, 2001 | Verhaeghe |
D453790 | February 19, 2002 | Tsuchikura |
D458964 | June 18, 2002 | Nakazawa |
D463821 | October 1, 2002 | Nishida |
D474241 | May 6, 2003 | Hasegawa |
D492349 | June 29, 2004 | Qiu |
D494219 | August 10, 2004 | Arita |
D497643 | October 26, 2004 | Nishida |
D502739 | March 8, 2005 | Shova et al. |
D506499 | June 21, 2005 | Qiu |
D506504 | June 21, 2005 | Nakazawa et al. |
D506780 | June 28, 2005 | Nakazawa |
D531216 | October 31, 2006 | Oas |
D562391 | February 19, 2008 | Gerules |
D583412 | December 23, 2008 | Li |
D586393 | February 10, 2009 | Nishida |
D587752 | March 3, 2009 | Shimizu |
D596233 | July 14, 2009 | Kusaba |
D597135 | July 28, 2009 | Takanashi |
Patent History
Patent number: D607935
Type: Grant
Filed: Oct 10, 2008
Date of Patent: Jan 12, 2010
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Taisuke Shimada (Tokyo)
Primary Examiner: Elizabeth A Albert
Assistant Examiner: Karen E Eldridge Powers
Attorney: Sughrue Mion, PLLC
Application Number: 29/326,029
Type: Grant
Filed: Oct 10, 2008
Date of Patent: Jan 12, 2010
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Taisuke Shimada (Tokyo)
Primary Examiner: Elizabeth A Albert
Assistant Examiner: Karen E Eldridge Powers
Attorney: Sughrue Mion, PLLC
Application Number: 29/326,029
Classifications
Current U.S. Class:
Diagonal Striation (D19/50)