Ballpoint pen

Details Ballpoint pen Ballpoint pen

2007-10-09

2007-10-09

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29255058

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

REFERENCES:
patent: D319844 (1991-09-01), Grotsch et al.
patent: D319845 (1991-09-01), Grotsch et al.
patent: D395674 (1998-06-01), Boix Gacia
patent: D409659 (1999-05-01), Hasegawa
patent: D447174 (2001-08-01), Kamiyama
patent: D456845 (2002-05-01), Rommel
patent: D485574 (2004-01-01), Keil
patent: D485575 (2004-01-01), Lovell
patent: D490851 (2004-06-01), Losel
patent: D494218 (2004-08-01), Anand
patent: D498496 (2004-11-01), Volk
patent: D500522 (2005-01-01), Rommel
patent: D508264 (2005-08-01), Losel
patent: D538853 (2007-03-01), Losel
patent: D539348 (2007-03-01), Hamilton et al.
patent: D540387 (2007-04-01), Losel
patent: D541343 (2007-04-01), Losel

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