US3170819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery
Assignee: Exide Technologies LLC
•
Filing: 1961-09-05
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Granted: 1965-02-23
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jay J Abramson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:04
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SEALED, MULTICELL STORAGE BATTERY HAVING A PLURALITY OF CELLS ELECTRICALLY CONNECTED IN SERIES COMPRISING A PLURALITY OF CELL COMPARTMENTS WITHIN A SEALED BATTERY CONTAINER, EACH OF SAID CELL COMPARTMENTS HOUSING AN ELECTRODE ASSEMBLY HAVING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE AND A SEPARATOR THERE BETWEEN, SAID POSITIVE ELECTRODE HAVING AN EXCESS OF CHARGED POSITIVE ACTIVE MATERIAL OVER THE AMOUNT OF CHARGED NEGATIVE ACTIVE MATERIAL AND SAID NEGATIVE ELECTRODE HAVING AN EXCESS OF RESERVE UNCHARGED NEGATIVE ACTIVE MATERIAL WHICH PROVIDES FOR THE PREFERENTIAL EVOLUTION OF OXYGEN UPON OVERCHARGE AND OVERDISCHARGE, WITH ELECTROLYTE BEING CONTAINED SUBSTANTIALLY WITHIN THE PORES FO THE ELECTRODE ASSEMBLY IN EACH CELL COMPARTMENT, AND GAS PASSAGE MEANS INTERCONNECTING THE CELL COMPARTMENTS TO PROVIDE A GAS SPACE COMMON TO ALL OF THE ELECTRODE ASSEMBLIESW WITHIN THE SEALED BATTERY CONTAINER WHEREBY OXYGEN EVOLVED IN ONE CELL COMPARTMENT MAY PASS INTO ANOTHER CELL COMPARTMENT AND BE COMBINED WITH ACTIVE MATERIAL IN SAID OTHER CELL COMPARTMENT.
Claim 2
Dependent Claim
155 words
A SEALED, MULTICELL STORAGE BATTERY HAVING A PLURALITY OF CELLS ELECTRICALLY CONNECTED IN SERIES COMPRISING A PLURALITY OF CELL COMPARTMENTS WITHIN A SEALED BATTERY CONTAINER, EACH OF SAID CELL COMPARTMENTS HOUSING AN ELECTRODE ASSEMBLY HAVING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE AND A SEPARATOR THERE BETWEEN, SAID POSITIVE ELECTRODE HAVING AN EXCESS OF CHARGED POSITIVE ACTIVE MATERIAL OVER THE AMOUNT OF CHARGED NEGATIVE ACTIVE MATERIAL AND SAID NEGATIVE ELECTRODE HAVING AN EXCESS OF RESERVE UNCHARGED NEGATIVE ACTIVE MATERIAL WHICH PROVIDES FOR THE PREFERENTIAL EVOLUTION OF OXYGEN UPON OVERCHARGE AND OVERDISCHARGE, WITH ELECTROLYTE BEING CONTAINED SUBSTANTIALLY WITHIN THE PORES FO THE ELECTRODE ASSEMBLY IN EACH CELL COMPARTMENT, AND GAS PASSAGE MEANS INTERCONNECTING THE CELL COMPARTMENTS TO PROVIDE A GAS SPACE COMMON TO ALL OF THE ELECTRODE ASSEMBLIESW WITHIN THE SEALED BATTERY CONTAINER WHEREBY OXYGEN EVOLVED IN ONE CELL COMPARTMENT MAY PASS INTO ANOTHER CELL COMPARTMENT AND BE COMBINED WITH ACTIVE MATERIAL IN SAID OTHER CELL COMPARTMENT.
References Cited (Backward Citations)
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Cited
US2571927A
Cited
US3031517A
Cited
US2727079A
Cited
US2803690A
Cited
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Cited
US2951106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |