Writing instrument

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

FIG. 1 is a perspective view of a writing instrument showing my design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a perspective view of an alternative embodiment of a writing instrument showing my design;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a front elevational view thereof;

FIG. 13 is a bottom view thereof; and,

FIG. 14 is a top view thereof.

The broken lines showing interior portions are included for the purpose of illustrating environment and form no part of the claimed design.

Patent	Priority	Assignee	Title
D312096,	Apr 21 1989	PRODIR S A	Writing instrument
D319845,	Mar 13 1989	J.S. Staedtler GmbH & Co.	Mechanical pen
D339822,	Jul 21 1989	SCHWAN-STABILO SCHWANHAUSSER GMBH & CO ,	Writing instruments
D395674,	Aug 12 1997	INOXCROM, INC	Pen
D539348,	Aug 03 2005	SCRIBE OPCO, INC	Writing instrument
D540387,	Dec 29 2004	Ritter-Pen GmbH	Ballpoint pen
D541862,	Dec 29 2004	Ritter-Pen GmbH	Ballpoint pen
D559316,	Sep 14 2005	Ritter-Pen GmbH	Ballpoint pen
D573642,	Dec 06 2005	Ritter Pen GmbH	Ballpoint pen
D577069,	Feb 26 2007	Sun Most, LLC	Pen
D589556,	Sep 22 2006	KOTOBUKI & CO , LTD	Housing for writing instrument or eraser
D602087,	May 12 2004	Senator GmbH & Co KGaA	Writing instrument
D610197,	Nov 16 2007	Ritter-Pen GmbH	Ballpoint pen

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jun 23 2009	MORI, PAOLA	ERGA S R L	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	023006	0008	pdf
Jul 09 2009		Erga S.R.L.	(assignment on the face of the patent)

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule