Writing instrument

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

FIG. 1 is a top plan view of a writing instrument showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is a front elevational view; and

FIG. 5 is a rear elevational view thereof.

Patent	Priority	Assignee	Title
D322811,	Nov 14 1988		Combined bookmark and felt-tipped marker
D359428,	Jun 15 1994	PILGRIM DESIGNS, INC	Coupon cutting guide
D367671,	Jan 13 1995	ID Traders Limited	Writing pen in the shape of a plane
D416286,	Mar 05 1996		Pen housing
D416578,	Mar 05 1996		Pen housing
D568934,	Oct 10 2006	RUBIN MUSSO NETWORK MARKETING, INC	Stand up pen
D616897,	Jan 04 2000	SENSEL, INC	User interface for computer display

Patent	Priority	Assignee	Title
4568213,	Mar 14 1983		Foldable pen with cap
174113,
232267,
238359,
D252577,	Dec 30 1977	CLOVERLINE, INC , THE, A CORP OF ILLINOIS	Pen
D263317,	Jan 05 1979		Pen
D271082,	Jun 12 1981	REVLON CONSUMER PRODUCTS CORPORATION, A CORPORATION OF DELAWARE	Perfume bottle
D276479,	Jan 18 1982		Combined key holder and writing instrument
D280110,	Feb 14 1983		Writing instrument

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