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
D117901 | December 1939 | Hoffmann |
2251053 | July 1941 | Hoffmann |
D132577 | May 1942 | Hoffmann |
2335148 | November 1943 | Hoffmann |
2822781 | February 1958 | Burton |
D406173 | February 23, 1999 | Chen |
D425560 | May 23, 2000 | Yuen |
D441796 | May 8, 2001 | Chan |
D470889 | February 25, 2003 | Daley, Jr. |
D495004 | August 24, 2004 | Yuen |
7134461 | November 14, 2006 | Takada |
D545372 | June 26, 2007 | Kent |
D553193 | October 16, 2007 | Parrish |
D569914 | May 27, 2008 | Kotani |
7654179 | February 2, 2010 | Parrish |
8205648 | June 26, 2012 | Hsu |
D669132 | October 16, 2012 | Dunlap |
D718813 | December 2, 2014 | Cline |
D718814 | December 2, 2014 | Cline |
D755289 | May 3, 2016 | Farnworth |
9352608 | May 31, 2016 | Hsu |
9475336 | October 25, 2016 | Huang |
20070074409 | April 5, 2007 | Hsu |
20110284130 | November 24, 2011 | Hsu |
20130186517 | July 25, 2013 | Cheng |
Patent History
Patent number: D781377
Type: Grant
Filed: Sep 15, 2015
Date of Patent: Mar 14, 2017
Inventors: Yu-Ying Kuo (Taichung), Xiao-Hong Li (Guangdong)
Primary Examiner: Elizabeth Albert
Application Number: 29/539,553
Type: Grant
Filed: Sep 15, 2015
Date of Patent: Mar 14, 2017
Inventors: Yu-Ying Kuo (Taichung), Xiao-Hong Li (Guangdong)
Primary Examiner: Elizabeth Albert
Application Number: 29/539,553
Classifications
Current U.S. Class:
Pencil Sharpener (D19/73)