Ballpoint pen

Details Ballpoint pen Ballpoint pen

2006-11-30

2009-02-03

Albert, Elizabeth A (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0585936

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

REFERENCES:
patent: D176469 (1955-12-01), Lovejoy
patent: D312837 (1990-12-01), Oka
patent: D392999 (1998-03-01), Varholik
patent: D458964 (2002-06-01), Nakazawa
patent: 6464419 (2002-10-01), Chan
patent: D466156 (2002-11-01), Nakazawa
patent: D497643 (2004-10-01), Nishida
patent: 6921225 (2005-07-01), Hsu
patent: D509538 (2005-09-01), Yeh
patent: D525299 (2006-07-01), Kowalski et al.
patent: D534212 (2006-12-01), Chan
patent: D539343 (2007-03-01), Qiu
patent: D559909 (2008-01-01), Qiu et al.
patent: D562398 (2008-02-01), Qiu et al.
patent: D565103 (2008-03-01), Richter et al.
patent: 2006/0228156 (2006-10-01), Chan
patent: DM/066576 (2005-04-01), None

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