Ballpoint pen

Details Ballpoint pen Ballpoint pen

2007-03-20

2007-03-20

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29232886

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

REFERENCES:
patent: D319844 (1991-09-01), Grotsch et al.
patent: D459757 (2002-07-01), Oka
patent: D460114 (2002-07-01), Oka
patent: D460486 (2002-07-01), Oka
patent: D485574 (2004-01-01), Keil
patent: D489089 (2004-04-01), Losel
patent: D490851 (2004-06-01), Losel
patent: D492350 (2004-06-01), Morrow
patent: D499142 (2004-11-01), Morrow
patent: D508264 (2005-08-01), Losel
patent: D508717 (2005-08-01), Anand
patent: 6935801 (2005-08-01), Kuo
patent: D509852 (2005-09-01), Anand

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