Twist actuated writing instrument
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United States of America Patent
Stats
-
Nov 22, 1988
Grant Date -
N/A
app pub date -
Jun 15, 1987
filing date -
Jun 15, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A twist actuated writing instrument comprised of a barrel, a cap, a two-directional cam, and an actuator wherein the barrel, the cap, the two-directional cam, and the actuator axially encase a writing element and a spring and wherein the cap may be rotated in either a clockwise or counterclockwise direction relative to the barrel, such that when the cap is rotated in either direction relative to the barrel, the writing element will be advanced to the writing position and when the cap is rotated in the opposite direction relative to the barrel, the writing element will retract.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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