Patent US4226610A successfully refreshed from Google Patents.
Patent US2588170A successfully refreshed from Google Patents.
US2588170A
Expired / Lapsed
US
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Secondary battery
Assignee: Individual
•
Filing: 1949-07-05
•
Granted: 1952-03-04
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Expires: 1969-07-05
Abstract
No abstract record available.
Inventors
- 👤 Smith William Alvah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:24
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/365; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SECONDARY BATTERY COMPRISING A RECEPTACLE HAVING THEREIN AN AQUEOUS ELECTROLYTE CONTAINING A SALT OF A HALOGEN SELECTED FROM THE GROUP OF BROMINE AND IODINE, A POSITIVE POLE CONTAINING ACTIVE CARBON, AND A NEGATIVE POLE CONTAINING A METALLIC SULFIDE WITH A COMPONENT CAPABLE OF UNITING WITH THE METALLIC ION OF THE ELECTROLYTE UPON CHARGE, SAID CARBON AND METALLIC SULFIDE BEING LOOSE PARTICLES CONFINED TO A SEPARATE ELECTRICAL CONDUCTOR FOR THE CARBON AND ANOTHER FOR THE METALLIC SUBSTANCE, AND EXPOSED TO SAID ELECTROLYTE.
Claim 2
Dependent Claim
82 words
A SECONDARY BATTERY COMPRISING A RECEPTACLE HAVING THEREIN AN AQUEOUS ELECTROLYTE CONTAINING A SALT OF A HALOGEN SELECTED FROM THE GROUP OF BROMINE AND IODINE, A POSITIVE POLE CONTAINING ACTIVE CARBON, AND A NEGATIVE POLE CONTAINING A METALLIC SULFIDE WITH A COMPONENT CAPABLE OF UNITING WITH THE METALLIC ION OF THE ELECTROLYTE UPON CHARGE, SAID CARBON AND METALLIC SULFIDE BEING LOOSE PARTICLES CONFINED TO A SEPARATE ELECTRICAL CONDUCTOR FOR THE CARBON AND ANOTHER FOR THE METALLIC SUBSTANCE, AND EXPOSED TO SAID ELECTROLYTE.
References Cited (Backward Citations)
FR754065A
Cited
US744216A
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US870973A
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US1299693A
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |