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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D0568938

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

REFERENCES:
patent: D454590 (2002-03-01), Sakuno
patent: D465238 (2002-11-01), Qiu
patent: D471931 (2003-03-01), Lecce
patent: D476034 (2003-06-01), Rommel
patent: D478125 (2003-08-01), Chen
patent: D480423 (2003-10-01), Kung
patent: D497180 (2004-10-01), Cetera
patent: D500522 (2005-01-01), Rommel
patent: D501507 (2005-02-01), Lecce
patent: D501509 (2005-02-01), Lecce
patent: D502507 (2005-03-01), Wang
patent: D510104 (2005-09-01), Qiu
patent: D521555 (2006-05-01), Santa Maria et al.
patent: D534955 (2007-01-01), Huxiong
patent: D538343 (2007-03-01), Morton et al.
patent: D540866 (2007-04-01), Qiu
patent: D544915 (2007-06-01), Santa Maria et al.
patent: D548281 (2007-08-01), Tien
patent: D548791 (2007-08-01), Santa Maria et al.
patent: DM/061859 (2002-09-01), None

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