Pen

Details Pen Pen

2007-04-10

2007-04-10

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29230939

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

REFERENCES:
patent: D220070 (1971-03-01), Iwasaki
patent: D279993 (1985-08-01), Oka
patent: D363308 (1995-10-01), Sekine
patent: D385916 (1997-11-01), Katami
patent: D421625 (2000-03-01), Oka
patent: D452526 (2001-12-01), Nishida
patent: D461501 (2002-08-01), Nishida
patent: D471588 (2003-03-01), Hu
patent: D472577 (2003-04-01), Sakuno et al.
patent: D484536 (2003-12-01), Takanashi
patent: D492963 (2004-07-01), Qiu
patent: D497643 (2004-10-01), Nishida
patent: D509536 (2005-09-01), Nishida

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