Ballpoint pen

The ornamental design for a ballpoint pen, as shown and described.

FIG. 1 is a left front perspective view of a ballpoint pen showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
7467904,	Dec 04 2006		Tree-ring chronology pens, pencils, key chains, and other commonly used articles
9731543,	Jul 02 2013	DAVRO PRODUCTS, INC	Decorative insert
D430208,	Jul 21 1998	Waterman S.A.	Ball-point pen
D432167,	Apr 15 1999	Ebel S.A.	Pen with cap
D436995,	Jul 21 1998	Waterman S.A.	Pen
D470530,	Apr 15 2002	Morris Pen Corporation	Rubber grip carried on a pen
D576678,	Jun 21 2006	Pentel Kabushiki Kaisha	Cap for a writing instrument
D582980,	Oct 25 2007		Writing instrument
D589557,	Nov 05 2007	SANFORD, L P	Writing instrument
D820601,	Dec 19 2016		Paint brush with interchangeable heads
D981487,	Jan 17 2022	stilform GmbH	Pen

Patent	Priority	Assignee	Title
240525,
D271115,	Jan 04 1982		Writing instrument or similar article
D277682,	Sep 07 1982		Writing instrument
D280420,	Nov 22 1982	Waterman S.A.	Ball-point pen
D323852,	Aug 12 1988	Waterman S.A.	Ball-point pen
D330725,	Dec 08 1989	Fred S.A.	Writing instrument

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jun 21 1996	TSENG, YU-CHIN	Sunmex Import Corporation	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	008655	0729	pdf
Oct 10 1996		Sunmex Import Corporation	(assignment on the face of the patent)

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