Ballpoint pen

Details Ballpoint pen Ballpoint pen

2010-10-21

2011-12-13

Albert, Elizabeth (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0650441

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

REFERENCES:
patent: D445830 (2001-07-01), Yoon
patent: D463821 (2002-10-01), Nishida
patent: D472577 (2003-04-01), Sakuno et al.
patent: D551710 (2007-09-01), Tsuchida
patent: D558269 (2007-12-01), Takanashi
patent: D562389 (2008-02-01), Ikeda
patent: D562391 (2008-02-01), Gerules
patent: D575339 (2008-08-01), Daida
patent: D595353 (2009-06-01), Li
patent: D607935 (2010-01-01), Shimada
patent: D629461 (2010-12-01), Shibata

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