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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
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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 07:52
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)

US2624033A Cited
US3225317A Cited
US3142768A Cited
US3148322A Cited

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

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