Pencil sharpener

Details Pencil sharpener Pencil sharpener

2008-01-29

2008-01-29

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0560721

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

REFERENCES:
patent: 2914030 (1959-11-01), Behrens
patent: 3229670 (1966-01-01), Mourra
patent: D219318 (1970-11-01), Macowski Jr.
patent: D243764 (1977-03-01), Mobius
patent: D244604 (1977-06-01), Ohta
patent: D249152 (1978-08-01), Macowski
patent: D265323 (1982-07-01), Macowski
patent: 4741105 (1988-05-01), Wong
patent: 5077903 (1992-01-01), Kreim
patent: 6637481 (2003-10-01), Mak et al.
patent: D535168 (2007-01-01), Hattori
Electric Pencil Sharpener, as shown on janellejohnson.com, dated Nov. 22, 2006 (2 pages).

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