Ballpoint pen

Details Ballpoint pen Ballpoint pen

2008-04-29

2008-04-29

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29268066

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

REFERENCES:
patent: D35128 (1901-09-01), Schupp
patent: 1810109 (1931-06-01), McEnery
patent: 3257991 (1966-06-01), Mosch
patent: D206875 (1967-02-01), Mosch
patent: 4081217 (1978-03-01), Klaber
patent: 4149812 (1979-04-01), Huffman, Jr.
patent: 4549827 (1985-10-01), Mack
patent: 6464419 (2002-10-01), Chan
patent: D469806 (2003-02-01), Chan
patent: D498259 (2004-11-01), Kung
patent: D526682 (2006-08-01), Ortiz et al.
patent: D534212 (2006-12-01), Chan

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