Marking instrument
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United States of America Patent
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Sep 6, 2011
Grant Date -
May 8, 2008
app pub date -
Oct 12, 2006
filing date -
Oct 12, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A marking instrument including a body portion having an internal cavity disposed therein with a rotation means disposed within the interior cavity of the body portion. The marking instrument also includes a marking platform having at least one marking element disposed thereon and a cap element having an opening that corresponds to a geometric shape of a mark to be produced or the geometric shape of an answer space.
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Cited Art Landscape
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