Pencil sharpener

Details Pencil sharpener Pencil sharpener

2002-01-02

2003-02-11

Holtje, Martie K. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0470182

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

REFERENCES:
patent: 370940 (1887-10-01), Gay
patent: 2504194 (1950-04-01), Harrington
patent: 2642044 (1953-06-01), Mussguller
patent: D193457 (1962-08-01), Fleming
patent: D200616 (1965-03-01), Fairchild
patent: D238669 (1976-02-01), MacGregor
patent: D383165 (1997-09-01), Gstalder
patent: D426852 (2000-06-01), Gstalder
patent: D451961 (2001-12-01), Shapiro

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