Writing instrument

Details Writing instrument Writing instrument

2008-01-01

2008-01-01

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0558827

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

REFERENCES:
patent: D332963 (1993-02-01), Anavil et al.
patent: D374893 (1996-10-01), Yazawa
patent: D391294 (1998-02-01), Izushima
patent: D396058 (1998-07-01), Schmidt et al.
patent: D396729 (1998-08-01), Ham
patent: D433704 (2000-11-01), Kouda
patent: D442635 (2001-05-01), Izushima
patent: D450347 (2001-11-01), Keda
patent: D464676 (2002-10-01), Leo et al.
patent: D476034 (2003-06-01), Rommel
patent: D489087 (2004-04-01), Kent
patent: D497951 (2004-11-01), Morton et al.
patent: D530746 (2006-10-01), Gerules
patent: D534955 (2007-01-01), Huxiong
patent: D544915 (2007-06-01), Santa Maria et al.
Photograph of Papermate Auto Advance writing instrument publicly available prior to Oct. 18, 2005.

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