Pencil sharpener

Details Pencil sharpener Pencil sharpener

2011-07-12

2011-07-12

Albert, Elizabeth (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0641413

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

REFERENCES:
patent: D171811 (1954-03-01), Markman
patent: D200288 (1965-02-01), Smythe
patent: D330568 (1992-10-01), Roberts et al.
patent: D397154 (1998-08-01), Hart
patent: D510107 (2005-09-01), McMonigle
patent: D518857 (2006-04-01), Miller
patent: D547694 (2007-07-01), Miller
patent: D548781 (2007-08-01), Oberst
patent: D563038 (2008-02-01), Welch
patent: D595988 (2009-07-01), Oberst
patent: D625368 (2010-10-01), Nelson et al.
Las Vegas Sign Antique Pencil Sharpener Model, item # 31819, www.smithnovelty.com, 2 pages, copyright 2010.

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