Pencil sharpener

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Description

FIG. 1 is a front perspective view of a pencil sharpener;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is an opposite side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing features in FIGS. 1, 2, 5, 6, and 7 are included for the purpose of illustrating 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
D249152 August 29, 1978 Macowski
D318983 August 13, 1991 Unger
5394613 March 7, 1995 Ku
D357645 April 25, 1995 Wang
D405830 February 16, 1999 Mak
D442031 May 15, 2001 Perez
D465149 November 5, 2002 Bennett et al.
6637481 October 28, 2003 Mak et al.
D509851 September 20, 2005 Huang
D539146 March 27, 2007 Schroeder
D549781 August 28, 2007 Lau
D577601 September 30, 2008 Kao
D619120 July 6, 2010 Nikiforov et al.
Patent History
Patent number: D638473
Type: Grant
Filed: Aug 25, 2010
Date of Patent: May 24, 2011
Assignee: Elmer's Products, Inc. (Westerville, OH)
Inventors: Igor Zemskov (Dublin, OH), Michael Schumacher (Hilliard, OH)
Primary Examiner: Elizabeth Albert
Attorney: McNees Wallace & Nurick, LLC
Application Number: 29/368,508
Classifications
Current U.S. Class: Pencil Sharpener (D19/73)