Pencil sharpener

Details Pencil sharpener Pencil sharpener

2002-01-02

2003-02-04

Holtje, Martie K. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0469809

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

REFERENCES:
patent: 1479921 (1924-01-01), Miller
patent: D146197 (1947-01-01), Staab
patent: 2642044 (1953-06-01), Mussguller
patent: 3221709 (1965-12-01), Montemayor
patent: D214743 (1969-07-01), Goeders
patent: D251977 (1979-05-01), Leuenberger et al.
patent: D255127 (1980-05-01), Mobius
patent: 5167071 (1992-12-01), Eisen
patent: D431263 (2000-09-01), Greenhouse

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