Closed battery
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 18, 2004
Grant Date -
Jun 27, 2002
app pub date -
Aug 1, 2001
filing date -
Apr 21, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A closed battery which is capable of rapidly releasing the internal pressure there while simultaneously disconnecting the current to prevent the internal temperature of the battery from rising and causing the battery to explode. Thus, when the internal pressure of the closed battery is elevated due to a short circuit, overcharge, reverse charge, or the like, internal gas in the battery can be safely discharged and the battery prevented from bursting.
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