Storage battery
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United States of America Patent
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Mar 29, 2005
Grant Date -
Mar 6, 2003
app pub date -
Jan 25, 2002
filing date -
Aug 31, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A storage battery includes a battery casing, a cover closing an opening of said battery casing, and a thinner see-through window portion provided on a sidewall of battery casing for visual recognition, from the outside, of a level of electrolyte contained in battery casing. A rib for reinforcement is provided at see-through window portion.
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