Pencil sharpener
Description
The broken lines showing features in
Claims
The ornamental design for a pencil sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
| D249152 | August 29, 1978 | Macowski |
| D320311 | October 1, 1991 | Kuhn |
| D324700 | March 17, 1992 | Shimoo et al. |
| D357645 | April 25, 1995 | Wang |
| D405830 | February 16, 1999 | Mak |
| 6637481 | October 28, 2003 | Mak et al. |
| 6737481 | May 18, 2004 | Kurian et al. |
| D549781 | August 28, 2007 | Lau |
| 7472728 | January 6, 2009 | Geffen |
| D597602 | August 4, 2009 | Racamier et al. |
Patent History
Patent number: D639858
Type: Grant
Filed: Sep 7, 2010
Date of Patent: Jun 14, 2011
Assignee: Elmer's Products, Inc. (Westerville, OH)
Inventors: Jeffrey Ras (Columbus, OH), Michael Schumacher (Hilliard, OH)
Primary Examiner: Elizabeth Albert
Attorney: McNees Wallace & Nurick, LLC
Application Number: 29/369,336
Type: Grant
Filed: Sep 7, 2010
Date of Patent: Jun 14, 2011
Assignee: Elmer's Products, Inc. (Westerville, OH)
Inventors: Jeffrey Ras (Columbus, OH), Michael Schumacher (Hilliard, OH)
Primary Examiner: Elizabeth Albert
Attorney: McNees Wallace & Nurick, LLC
Application Number: 29/369,336
Classifications
Current U.S. Class:
Pencil Sharpener (D19/73)