Mechanical pencil

Details Mechanical pencil Mechanical pencil

2008-07-08

2008-07-08

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0572757

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

REFERENCES:
patent: D258219 (1981-02-01), Oka
patent: D269189 (1983-05-01), Sakaoka
patent: D286789 (1986-11-01), Thompson
patent: D288825 (1987-03-01), Thompson
patent: D306354 (1990-02-01), Konose
patent: D308396 (1990-06-01), Sekiguchi
patent: D410682 (1999-06-01), Izushima
patent: D458636 (2002-06-01), Shimizu
patent: D489090 (2004-04-01), Buechler
patent: D499142 (2004-11-01), Morrow
patent: D506503 (2005-06-01), Qiu
patent: D511545 (2005-11-01), Chiaruttini
patent: D512098 (2005-11-01), Qiu
patent: D538853 (2007-03-01), Losel
patent: D546389 (2007-07-01), Chiaruttini
Qiu, Z., U.S. Appl. No. 29/278,031, filed Mar. 16, 2007.
Fei, Y., U.S. Appl. No. 29/278,147, filed Mar. 20, 2007.

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