Writing instrument

Details Writing instrument Writing instrument

2007-05-17

2008-10-21

Albert, Elizabeth A (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0579047

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

REFERENCES:
patent: D105623 (1937-08-01), Trollen
patent: D309633 (1990-07-01), Itoh
patent: D355439 (1995-02-01), Hollington
patent: D382016 (1997-08-01), Takahashi
patent: D397723 (1998-09-01), Izushima
patent: D438246 (2001-02-01), Hollington et al.
patent: D444500 (2001-07-01), Izushima
patent: D451137 (2001-11-01), Reichmann
patent: D456843 (2002-05-01), Smith
patent: D490850 (2004-06-01), Carls et al.
patent: D491224 (2004-06-01), Hsieh
patent: D501506 (2005-02-01), Kommer
patent: D508077 (2005-08-01), Bhavnani
patent: D513767 (2006-01-01), Bhavnani
patent: D538851 (2007-03-01), Sandel et al.
patent: D561831 (2008-02-01), Qiu et al.
patent: D562384 (2008-02-01), Qiu
patent: 0800075.6M001 (2008-01-01), None

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