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

active

D0583866

CLAIM:
What is claimed is the ornamental design for a writing instrument, as shown and described.

REFERENCES:
patent: 1523753 (1925-01-01), Chen
patent: 1750032 (1930-03-01), Timtiman
patent: 1800029 (1931-04-01), Sadayoshi
patent: 1904212 (1933-04-01), Esterow
patent: D223307 (1972-04-01), Nockolds
patent: D244529 (1977-05-01), Gomez
patent: D253060 (1979-10-01), Itoh
patent: D253660 (1979-12-01), Carre
patent: D264854 (1982-06-01), Spiegel
patent: D285730 (1986-09-01), Bulwick
patent: D305551 (1990-01-01), Oka
patent: D331261 (1992-11-01), Bannwart
patent: D342546 (1993-12-01), Song
patent: D349297 (1994-08-01), Shimizu
patent: D354309 (1995-01-01), Lin
patent: D366901 (1996-02-01), Takahashi
patent: D391294 (1998-02-01), Izushima
patent: D452272 (2001-12-01), Bonnamour
patent: D482397 (2003-11-01), Hui
patent: D556825 (2007-12-01), Bruzzi
patent: 000624895-0001 (2006-11-01), None
patent: DM/067319 (2005-03-01), None

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