Multilayer separator and methods of manufacture and use
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United States of America Patent
Stats
-
Feb 16, 2021
Grant Date -
Aug 22, 2019
app pub date -
Apr 30, 2019
filing date -
Jan 2, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A multilayer deep cycle battery separator comprising at least two layers of an automotive-sized separator bonded or welded together. The automotive-sized separator layers include a backweb having a backweb thickness between 6 to 10 mils, an overall thickness of between 25 to 65 mils, and a rib base width of between 20 to 35 mils. The automotive-sized separator layers also have an extraction time of between 45 to 75 seconds, thereby providing an overall extraction time of less than a standard deep cycle battery separator.
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International Classification(s)
- 2019 Application Filing Year
- H01M Class
- 7948 Applications Filed
- 5409 Patents Issued To-Date
- 68.06 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H01M Class
- 0 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 16, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 16, 2032 |
