Pencil sharpener

- SDI Corporation
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Description

FIG. 1 is a perspective view of a pencil sharpener showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view thereof.

The broken lines on the top in FIG. 6 and on the bottom in FIG. 7 are included to show portions of the pencil sharpener that form no part of the claimed design.

Claims

The ornamental design for a pencil sharpener, as shown and described.

Referenced Cited
U.S. Patent Documents
D191247 August 1961 McWilliams
D336614 June 22, 1993 Crawford
D347389 May 31, 1994 Crawford
5394613 March 7, 1995 Ku
D396249 July 21, 1998 Carlson
D442031 May 15, 2001 Perez
D498422 November 16, 2004 Theunynck
D502110 February 22, 2005 Theunynck
D509851 September 20, 2005 Huang
D543244 May 22, 2007 Tsuruha
D549781 August 28, 2007 Lau
7389588 June 24, 2008 Lau
D607735 January 12, 2010 Kuzma et al.
D619120 July 6, 2010 Nikiforov et al.
D638473 May 24, 2011 Zemskov et al.
D643737 August 23, 2011 Handy
20120192995 August 2, 2012 Chen
Patent History
Patent number: D678414
Type: Grant
Filed: Sep 27, 2012
Date of Patent: Mar 19, 2013
Assignee: SDI Corporation (Chang Hua)
Inventor: Szu-Yu Chen (Chang Hua)
Primary Examiner: Elizabeth Albert
Application Number: 29/433,228
Classifications
Current U.S. Class: Pencil Sharpener (D19/73)