US2678340A
Expired / Lapsed
US
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Storage battery grid composition
Assignee: Exide Technologies LLC
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Filing: 1951-12-19
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Granted: 1954-05-11
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Expires: 1971-12-19
Abstract
No abstract record available.
Inventors
- 👤 Stoertz Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:39
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/66; H01M4/68; H01M4/685; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A STORAGE BATTERY OF THE LEAD-ACID TYPE HAVING POSITIVE AND NEGATIVE PLATES SURROUNDED BY ELECTROLYTE, CHARACTERIZED BY A GRID STRUCTURE COMPRISING A LEAD-ANTIMONY-ARSENIC-SILVER ALLOY IN WHICH THE ANTIMONY LIES WITHIN A RANGE OF FROM ABOUT 4% TO ABOUT 8% BY WEIGHT, THE ARSENIC BETWEEN ABOUT 0.15% AND ABOUT 1% SILVER BETWEEN ABOUT 0.04% AND 0.6%, AND LEAD THE REMAINDER.
Claim 2
Dependent Claim
59 words
A STORAGE BATTERY OF THE LEAD-ACID TYPE HAVING POSITIVE AND NEGATIVE PLATES SURROUNDED BY ELECTROLYTE, CHARACTERIZED BY A GRID STRUCTURE COMPRISING A LEAD-ANTIMONY-ARSENIC-SILVER ALLOY IN WHICH THE ANTIMONY LIES WITHIN A RANGE OF FROM ABOUT 4% TO ABOUT 8% BY WEIGHT, THE ARSENIC BETWEEN ABOUT 0.15% AND ABOUT 1% SILVER BETWEEN ABOUT 0.04% AND 0.6%, AND LEAD THE REMAINDER.
References Cited (Backward Citations)
US2305133A
Cited
US2333072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |