Writing instrument

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Element or attachment

Design Patent

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Design Patent

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D0639857

CLAIM:
We claim the ornamental design for a writing instrument, as shown and described.

REFERENCES:
patent: D410030 (1999-05-01), Sunaga
patent: D465238 (2002-11-01), Qiu
patent: D502507 (2005-03-01), Wang
patent: D506504 (2005-06-01), Nakazawa et al.
patent: D509853 (2005-09-01), Anand
patent: D510386 (2005-10-01), Briggl
patent: D536033 (2007-01-01), Lecce
patent: D538853 (2007-03-01), Losel
patent: D541860 (2007-05-01), Kung
patent: D549778 (2007-08-01), Kent et al.
patent: D565102 (2008-03-01), Anand
patent: D566763 (2008-04-01), Kowalczyk
patent: D575341 (2008-08-01), Pellissa Beneyto
patent: D576213 (2008-09-01), Fei
patent: D589559 (2009-03-01), Slemp
patent: D603898 (2009-11-01), Rommel
patent: D605701 (2009-12-01), Zhang
patent: D624965 (2010-10-01), Li
patent: D626592 (2010-11-01), Casciotti et al.
patent: D626596 (2010-11-01), Casciotti et al.
patent: DM/066515 (2004-12-01), None

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