Ballpoint pen

Details Ballpoint pen Ballpoint pen

2007-08-14

2007-08-14

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29262151

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

REFERENCES:
patent: D269189 (1983-05-01), Sakaoka
patent: D288825 (1987-03-01), Thompson et al.
patent: D321718 (1991-11-01), Ambasz
patent: D357275 (1995-04-01), Covington et al.
patent: D363739 (1995-10-01), Petrillo
patent: D453354 (2002-02-01), Ikenaga et al.
patent: D489089 (2004-04-01), Losel
patent: D500792 (2005-01-01), Bain et al.
patent: D506503 (2005-06-01), Qiu

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