US3174878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanently sealed storage battery
Assignee: VARTA AG
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Filing: 1958-12-16
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Granted: 1965-03-23
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Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 Peters Freimut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:52
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
180 words
IN A PERMANENTLY FLUID-TIGHT SEALED ALKALNE STORAGE BATTERY, IN COMBINATION, AT LEAST ONE POSITIVE ELECTRODE INCLUDING REGULAR ACTIVE MASS AND ALSO INCLUDING ANTIPOLAR MASS IN A QUANTITY EQUAL TO ABOUT BETWEEN 5 AND 30% OF SAID REGULAR ACTIVE MASS OF SAID POSITIVE ELECTRODE MEASURED IN ELECTRO-CHEMICAL EQUIVALENTS; AT LEAST ONE NEGATIVE ELECTRODE INCLUDING REGULAR ACTIVE MASS AND ALSO INCLUDING ANTIPOLAR MASS; A POROUS SEPARATOR LOCATED BETWEEN AND IN CONTACT WITH SAID ELECTRODES; IN ALKALINE ELECTROLYTE AT LEAST PARTIALLY LOCATED IN THE PORES OF SAID POROUS SEPARATOR, SAID ACTIVE MASS OF SAID POSITIVE ELECTRODE WHICH COMPRISES REGULAR ACTIVE MASS AND ANTIPOLAR MASS, INCLUDING A QUANTITY OF REDUCIBLE MATERIAL AND SAID ACTIVE MASS OF SAD NEGATIVE ELECTRODE WHICH COMPRISES REGULAR ACTIVE MASS AND ANTIPOLAR MASS, INCLUDING A QUANTITY OF OXIDIZABLE, MATERIAL, SAID QUANTITY OF REDUCIBLE MATERIL OF THE POSITIVE ELECTRODE IN ANY GIVE CONDITION OF CHARGE OF SAID BATTERY, BEING GREATER THAN THE QUANTITY OF OXIDIZABLE MATERIAL OF THE NEGATIVE ELECTRODE, SAID QUANTITIES OF SAID MATERIALS BEING MEASURED IN ELECTRO-CHEMICAL EQUIVALENTS, WHEREBY GASES FORMED DURING OPERATION OF SAID BATTERY WILL BE BOUND.
Claim 2
Dependent Claim
180 words
IN A PERMANENTLY FLUID-TIGHT SEALED ALKALNE STORAGE BATTERY, IN COMBINATION, AT LEAST ONE POSITIVE ELECTRODE INCLUDING REGULAR ACTIVE MASS AND ALSO INCLUDING ANTIPOLAR MASS IN A QUANTITY EQUAL TO ABOUT BETWEEN 5 AND 30% OF SAID REGULAR ACTIVE MASS OF SAID POSITIVE ELECTRODE MEASURED IN ELECTRO-CHEMICAL EQUIVALENTS; AT LEAST ONE NEGATIVE ELECTRODE INCLUDING REGULAR ACTIVE MASS AND ALSO INCLUDING ANTIPOLAR MASS; A POROUS SEPARATOR LOCATED BETWEEN AND IN CONTACT WITH SAID ELECTRODES; IN ALKALINE ELECTROLYTE AT LEAST PARTIALLY LOCATED IN THE PORES OF SAID POROUS SEPARATOR, SAID ACTIVE MASS OF SAID POSITIVE ELECTRODE WHICH COMPRISES REGULAR ACTIVE MASS AND ANTIPOLAR MASS, INCLUDING A QUANTITY OF REDUCIBLE MATERIAL AND SAID ACTIVE MASS OF SAD NEGATIVE ELECTRODE WHICH COMPRISES REGULAR ACTIVE MASS AND ANTIPOLAR MASS, INCLUDING A QUANTITY OF OXIDIZABLE, MATERIAL, SAID QUANTITY OF REDUCIBLE MATERIL OF THE POSITIVE ELECTRODE IN ANY GIVE CONDITION OF CHARGE OF SAID BATTERY, BEING GREATER THAN THE QUANTITY OF OXIDIZABLE MATERIAL OF THE NEGATIVE ELECTRODE, SAID QUANTITIES OF SAID MATERIALS BEING MEASURED IN ELECTRO-CHEMICAL EQUIVALENTS, WHEREBY GASES FORMED DURING OPERATION OF SAID BATTERY WILL BE BOUND.
References Cited (Backward Citations)
US1373733A
Cited
GB782394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |