Pencil sharpener

Details Pencil sharpener Pencil sharpener

2000-07-13

2001-05-08

Holtje, Martie K. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0441796

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

REFERENCES:
patent: D. 251008 (1979-02-01), Kajiwara
patent: D. 320812 (1991-10-01), Yuen
patent: D. 354987 (1995-01-01), Yuen
patent: D. 390264 (1998-02-01), Singleton et al.
patent: D. 422313 (2000-04-01), Chen
patent: 2359093 (1944-09-01), Eastman
patent: 2504194 (1950-04-01), Harrington
patent: 2614534 (1952-10-01), Rocks

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