Ink jet pen
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United States of America Patent
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-
May 24, 1988
Issued Date -
N/A
app pub date -
Jun 15, 1987
filing date -
Dec 22, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet pen, which is a pen-like writing utensil utilizing an ink jet method of recording, comprises a tubular casing, incorporating means for ink emission and equipped with means for controlling ink emission. In a representative embodiment, the tubular casing is composed of two tubes which are mutually rotatable for controlling the ink emission.
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Cited Art Landscape
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