Writing instrument with sealing cap retained in tip
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United States of America Patent
Stats
-
Oct 30, 1984
Grant Date -
N/A
app pub date -
Jul 2, 1982
filing date -
Jul 2, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A writing instrument such as a ball point or felt tip pen is provided with a seal member selectively engageable with the writing tip, the sealing member being movable from a position plugging the pen through hole to a position allowing the front end of the writing member to freely pass through the through hole for writing.
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Cited Art Landscape
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