Writing instrument
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The stippling represents a contrast of color. The broken lines in the drawings showing the lead and lead guide, anterior openings, and mold injection point form no part of the claimed design. Additionally, the broken lines immediately adjacent the shaded areas in
Claims
I claim the ornamental design for a writing instrument, as shown and described.
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Type: Grant
Filed: Oct 30, 2009
Date of Patent: Mar 22, 2011
Assignee: Faber-Castell Aktiengesellschaft (Stein)
Inventor: Andreas Papenfuss (Weimar)
Primary Examiner: Elizabeth A Albert
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/346,346