Holder tube for writing instrument
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 1996
Grant Date -
N/A
app pub date -
Jun 28, 1994
filing date -
Oct 29, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A holder tube for a writing instrument in which a plurality of rings having external faces subjected to different treatments are removably disposed in at least a grip portion of the holder tube. In another form of holder tube for a writing instrument, a plurality of rings having non-circular external faces are disposed in at least a grip portion of the holder tube in such a manner that the state of each of the rings differs from that of the adjacent one. In another form of holder tube for a writing instrument, at least three rings having different diameters are removably disposed in at least a grip portion of the holder tube. In a further form of holder tube for writing instrument, a ring or rings having longitudinally different external shapes are removably disposed in at least a grip portion of the holder tube.
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