Pencil sharpener

Details Pencil sharpener Pencil sharpener

2009-02-11

2010-06-01

Albert, Elizabeth A (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0616942

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

REFERENCES:
patent: 2242458 (1941-05-01), Dessonaz
patent: 2504194 (1950-04-01), Harrington
patent: 3237607 (1966-03-01), O'Brien
patent: D208282 (1967-08-01), Speers
patent: D219719 (1971-01-01), Fleming
patent: D311027 (1990-10-01), Yuen
patent: 6286218 (2001-09-01), Luttgens
patent: D460116 (2002-07-01), Gstalder
patent: D461206 (2002-08-01), Gstalder
patent: D479666 (2003-09-01), Barker
patent: 6637481 (2003-10-01), Mak et al.
patent: D534394 (2007-01-01), Zhiwen et al.
patent: D549043 (2007-08-01), Beesley et al.
Acme United iPoint Curve Electric Sharpener, item # ACM14769, www.greenlightoffice.com, 2 pages, copyright 2008.

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