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US3328663A
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Pressure responsive battery charger control
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1964-12-30
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Granted: 1967-06-27
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Kagan Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:42
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H02; H02J; H02J7/00; H02J7/50; H02J7/52; H02J7/54; H02J7/90; H02J7/971; H02J7/973; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A BATTERY COMPRISING A PLURALITY OF RECHARGEABLE CELLS CHARACTERIZED BY THE EVOLUTION OF GAS UPON BEING OVERCHARGED, EACH CELL COMPRISING A CASING CAPABLE OF MAINTAINING GAS UNDER ELEVATED INTERNAL PRESSURE, AN ELECTROLYTE, A POSITIVE TERMINAL, A POSITIVE ELECTRODE ELECTRICALLY CONNECTED TO SAID POSITIVE TERMINAL, A NEGATIVE TERMINAL, A NEGATIVE ELECTRODE ELECTRICALLY CONNECTED TO SAID NEGATIVE TERMINAL, A VARIABLE RESISTANCE IN SERIES WITH ONE OF SAID TERMINALS AND ONE OF SAID ELECTRODES; A SEPARATE CIRCUIT ELECTRICALLY CLOSABLE BETWEEN THE TERMINALS OF EACH CELL COMPRISING A RESISTOR WHOSE RESISTANCE HAS A VALUE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |