Mechanical pencil

Details Mechanical pencil Mechanical pencil

2000-07-27

2001-04-17

Holtje, Martie K. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

CD19S046000, CD19S056000

Design Patent

active

D0440602

CLAIM:
The ornamental design for a mechanical pencil, as shown.

REFERENCES:
patent: D. 149672 (1948-05-01), Phillips
patent: D. 316427 (1991-04-01), Tinz
patent: D. 329873 (1992-09-01), Tu
patent: D. 375124 (1996-10-01), Kuo
patent: D. 389131 (1998-01-01), Nagaoka
patent: D. 421772 (2000-03-01), Maruyama

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