Writing instrument with sealing tip
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 4, 1984
Grant Date -
N/A
app pub date -
Jul 2, 1982
filing date -
Nov 11, 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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully