Writing instrument

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Design Patent

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Details

CD19S056000

Design Patent

active

D0500521

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

REFERENCES:
patent: D306317 (1990-02-01), Petterson
patent: D395448 (1998-06-01), Chevalier
patent: D446547 (2001-08-01), Nagel
patent: D448047 (2001-09-01), Lewis, Jr.
patent: D450088 (2001-11-01), Banasik
patent: D482067 (2003-11-01), Yang
patent: D489087 (2004-04-01), Kent
patent: D489408 (2004-05-01), Qiu
patent: D490109 (2004-05-01), Finney
patent: D490110 (2004-05-01), Qiu

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