Writing instrument

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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29235600

CLAIM:
The ornamental design for a writing instrument, as shown and described.

REFERENCES:
patent: D354985 (1995-01-01), Hong
patent: D366497 (1996-01-01), Otake
patent: D389863 (1998-01-01), Nguyen
patent: D423576 (2000-04-01), Stevens et al.
patent: D424109 (2000-05-01), Edgerley et al.
patent: D442635 (2001-05-01), Izushima
patent: D462990 (2002-09-01), Hwang
patent: D484186 (2003-12-01), Monti
patent: D487770 (2004-03-01), Hwang
patent: D492963 (2004-07-01), Qiu
patent: D498791 (2004-11-01), Morrow
patent: D500080 (2004-12-01), Katami
patent: D505976 (2005-06-01), Qiu

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