Mechanical pencil with a lead tank
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Description
The broken lines showing portions of the top and bottom in
Claims
The ornamental design for a mechanical pencil with a lead tank, as shown and described.
Referenced Cited
U.S. Patent Documents
1310257 | July 1919 | Stiles |
4812069 | March 14, 1989 | White et al. |
D329460 | September 15, 1992 | Rousseau |
5683191 | November 4, 1997 | Kageyama et al. |
5988913 | November 23, 1999 | Kageyama et al. |
D417698 | December 14, 1999 | Tsuchida |
D430607 | September 5, 2000 | Matsuzaki et al. |
D443645 | June 12, 2001 | Booth |
D562894 | February 26, 2008 | Nishida |
20070217858 | September 20, 2007 | Kageyama et al. |
Patent History
Patent number: D621446
Type: Grant
Filed: Feb 2, 2010
Date of Patent: Aug 10, 2010
Assignee: Kotobuki & Co., Ltd. (Saitama)
Inventor: Tadashi Keda (Kawagoe)
Primary Examiner: Elizabeth A Albert
Attorney: Osha • Liang LLP
Application Number: 29/355,081
Type: Grant
Filed: Feb 2, 2010
Date of Patent: Aug 10, 2010
Assignee: Kotobuki & Co., Ltd. (Saitama)
Inventor: Tadashi Keda (Kawagoe)
Primary Examiner: Elizabeth A Albert
Attorney: Osha • Liang LLP
Application Number: 29/355,081
Classifications
Current U.S. Class:
Longitudinal Striation (D19/49)