Writing instrument
The broken lines showing the clip and top portion, the writing tip housing and the inside of the cap in
Claims
I claim the ornamental design for a writing instrument, as shown and described.
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Type: Grant
Filed: Aug 24, 2009
Date of Patent: Nov 30, 2010
Assignee: Faber-Castell Aktiengesellschaft (Stein)
Inventor: Heinrich Stukenkemper (Castrop-Rauxel)
Primary Examiner: Elizabeth A Albert
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/342,364