Ballpoint pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Design Patent

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Design Patent

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D0648789

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

REFERENCES:
patent: D441017 (2001-04-01), Gault et al.
patent: D453790 (2002-02-01), Tsuchikura
patent: D458964 (2002-06-01), Nakazawa
patent: D463823 (2002-10-01), Yoon
patent: D490107 (2004-05-01), Wong
patent: D490108 (2004-05-01), Moon
patent: D499139 (2004-11-01), Oka
patent: D506504 (2005-06-01), Nakazawa et al.
patent: D535695 (2007-01-01), Chen
patent: D559909 (2008-01-01), Qiu et al.
patent: D562389 (2008-02-01), Ikeda
patent: D562895 (2008-02-01), Shibata
patent: D563473 (2008-03-01), Qiu et al.
patent: D583413 (2008-12-01), Li
patent: D583864 (2008-12-01), Liu
patent: D587752 (2009-03-01), Shimizu
patent: D594059 (2009-06-01), Shibata
patent: D602526 (2009-10-01), Matsumura
patent: D609744 (2010-02-01), Rathod
patent: D611535 (2010-03-01), Shimizu
patent: D619169 (2010-07-01), Kent et al.
patent: D620524 (2010-07-01), Shibata
patent: D622317 (2010-08-01), Li
patent: D633142 (2011-02-01), Chaffee et al.

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