US3343058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage batteries and cells
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1965-08-06
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Granted: 1967-09-19
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Deschamps Robert Marcel
- 👤 Dufour Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:30
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; H01; H01M; H01M10/00; H01M10/42; H02H; H02H7/00; H02H7/18; H02J7/50; H02J7/52; H02J7/54; H02J7/60; H02J7/61; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROTECTIVE SYSTEM FOR A STORAGE CELL TO PREVENT THE HARMFUL EFFECTS THERETO OF CELL REVERSAL AND OVERCHARGE CURRENT COMPRISING A SEPARATE NON-LINEAR CONDUCTOR CHANNEL DIODE MEANS CONNECED IN SHUNT ACROSS THE CELL TERMINALS, SAID MEANS EACH BEING CONDUCTIVE TO NEGATIVE POTENTIALS AND ALSO CONDUCTIVE TO POSITIVE POTENTIALS ABOVE A SELECTED VALUE AND BEING SUBSTANTIALLY NONCONDUCTIVE AT POSITIVE POTENTIALS BELOW SAID SELECTED VALUE.
Claim 2
Dependent Claim
63 words
A PROTECTIVE SYSTEM FOR A STORAGE CELL TO PREVENT THE HARMFUL EFFECTS THERETO OF CELL REVERSAL AND OVERCHARGE CURRENT COMPRISING A SEPARATE NON-LINEAR CONDUCTOR CHANNEL DIODE MEANS CONNECED IN SHUNT ACROSS THE CELL TERMINALS, SAID MEANS EACH BEING CONDUCTIVE TO NEGATIVE POTENTIALS AND ALSO CONDUCTIVE TO POSITIVE POTENTIALS ABOVE A SELECTED VALUE AND BEING SUBSTANTIALLY NONCONDUCTIVE AT POSITIVE POTENTIALS BELOW SAID SELECTED 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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |