Closure check
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Feb 4, 1988
filing date -
Feb 4, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A closure check for temporarily bracing open a conventional cylinder/piston mechanism. The closure check comprises a longitudinal brace, positioning means, engagement means and disengagement means. The closure check can automatically engage with the cylinder/piston mechanism or can be engaged manually by a user.
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