Writing instrument

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

FIG. 1 is a front perspective view of the writing instrument.

FIG. 2 is a front view of the writing instrument.

FIG. 3 is a right side view of the writing instrument.

FIG. 4 is a rear view of the writing instrument.

FIG. 5 is a left side view of the writing instrument.

FIG. 6 is a top view of the writing instrument; and,

FIG. 7 is a bottom view of the writing instrument.

The broken lines shown in the drawings illustrate environmental matter and form no part of the claimed design.

Patent	Priority	Assignee	Title
D638878,	Mar 25 2010	Parmigiani Fleurier SA	Writing instrument
D685027,	Jul 15 2011	MITSUBISHI PENCIL COMPANY, LIMITED	Pen
D700239,	Oct 18 2012		Ballpoint pen head
D816167,	Mar 15 2016	C JOSEF LAMY GMBH	Writing instrument

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Feb 03 2010		Cartier Creation Studio, SA	(assignment on the face of the patent)
Sep 30 2015	Cartier Creation Studio SA	Cartier International AG	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	036746	0775	pdf

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