Patent US4670775A successfully refreshed from Google Patents.
Patent US3037066A successfully refreshed from Google Patents.
US3037066A
Expired / Lapsed
US
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Sealed storage cell and charging circuits therefor
Assignee: Exide Technologies LLC
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Filing: 1958-12-11
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Granted: 1962-05-29
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Philip F Grieger
- 👤 Lanier Marie Estelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:35
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; H01M10/42; H01M10/44; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A STORAGE CELL COMPRISING A PERMANENTLY SEALED CASE HAVING A BOTTOM SIDE FOR SEATING THE CELL IN AN UPRIGHT POSITION FOR SERVICE DISCHARGE AND A FLAT SIDE FOR SEATING THE CELL IN A HORIZONTAL POSITION FOR CHARGE, A LIQUID ALKALINE ELECTROLYTE IN SAID CASE, AT LEAST ONE NEGATIVE ELECTRODE AND ONE POSITIVE ELECTRODE IN SAID CASE, SAID POSITIVE ELECTRODE HAVING AN ACTIVE MATERIAL EVOLVING OXYGEN GAS DURING OVERCHARGE AND SAID NEGATIVE ELECTRODE HAVING AN ACTIVE MATERIAL CAPABLE OF RECOMBING WITH OXYGEN GAS CONTACTING THE SAME, SAID CELL HAVING ITS ELECTRODES SPACED FROM THE TOP WALL OF SAID CASE AND HAVING
Claim 2
Dependent Claim
100 words
A STORAGE CELL COMPRISING A PERMANENTLY SEALED CASE HAVING A BOTTOM SIDE FOR SEATING THE CELL IN AN UPRIGHT POSITION FOR SERVICE DISCHARGE AND A FLAT SIDE FOR SEATING THE CELL IN A HORIZONTAL POSITION FOR CHARGE, A LIQUID ALKALINE ELECTROLYTE IN SAID CASE, AT LEAST ONE NEGATIVE ELECTRODE AND ONE POSITIVE ELECTRODE IN SAID CASE, SAID POSITIVE ELECTRODE HAVING AN ACTIVE MATERIAL EVOLVING OXYGEN GAS DURING OVERCHARGE AND SAID NEGATIVE ELECTRODE HAVING AN ACTIVE MATERIAL CAPABLE OF RECOMBING WITH OXYGEN GAS CONTACTING THE SAME, SAID CELL HAVING ITS ELECTRODES SPACED FROM THE TOP WALL OF SAID CASE AND HAVING
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |