Writing instrument
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United States of America Patent
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Sep 15, 2015
Grant Date -
Mar 14, 2013
app pub date -
Jun 14, 2011
filing date -
Jun 14, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In order to provide a writing instrument in which a writing direction can be visually recognized in a broad range at a visual part of a pen tip and which can surely write to end of writing, the writing instrument is endowed with a constitution in which a pen tip is equipped with a porous member as a writing part and a holding member holding the above porous member and having at least one ink guiding part through which an ink contained in a barrel is provided to a writing part held by the holding member which is a visible part enabling to visually recognize a writing direction, wherein an area ratio of the visible part is 40% or more of the pen tip protruding from a tip part of the writing instrument.
First Claim
Family
International Classification(s)
Cited Art Landscape
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