US2953619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery grid alloy
Assignee: Gould National Batteries Inc
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Filing: 1958-07-31
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Granted: 1960-09-20
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Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harold E Zahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:21
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
107 words
IN A STORAGE BATTERY OF THE LEAD-ACID TYPE, A PLATE STRUCTURE COMPRISING A PASTED GRID, SAID GRID BEING FORMED OF A LEAD-ANTIMONY-ARSENIC-TIN-COPPER ALLOY, SAID ALLOY INCLUDING ANTIMONY FROM NOT LESS THAN 11/2% TO NOT MORE THAN 41/2% BY WEIGHT, ARSENIC FROM ABOUT .10% TO ABOUT .50% BY WEIGHT, TIN FROM ABOUT .10% TO ABOUT .50% BY WEIGHT COPPER FROM .005% TO .05% BY WEIGHT, THE REMINDER BEING LEAD, THE PRESENCE OF ARSENIC IN THE ALLOY PROVIDING A CORROSION-INHIBITING EFFECT, THE PRESENCE OF TIN IN THE ALLOY PROVIDING A FLUIDITY IMPROVING EFFECT, AND THE PRESENCE OF COPPER IN THE ALLOY PROVIDING A DUCTILITY, STRENGTH, AND HARDNESS IMPROVING EFFECT.
Claim 2
Dependent Claim
107 words
IN A STORAGE BATTERY OF THE LEAD-ACID TYPE, A PLATE STRUCTURE COMPRISING A PASTED GRID, SAID GRID BEING FORMED OF A LEAD-ANTIMONY-ARSENIC-TIN-COPPER ALLOY, SAID ALLOY INCLUDING ANTIMONY FROM NOT LESS THAN 11/2% TO NOT MORE THAN 41/2% BY WEIGHT, ARSENIC FROM ABOUT .10% TO ABOUT .50% BY WEIGHT, TIN FROM ABOUT .10% TO ABOUT .50% BY WEIGHT COPPER FROM .005% TO .05% BY WEIGHT, THE REMINDER BEING LEAD, THE PRESENCE OF ARSENIC IN THE ALLOY PROVIDING A CORROSION-INHIBITING EFFECT, THE PRESENCE OF TIN IN THE ALLOY PROVIDING A FLUIDITY IMPROVING EFFECT, AND THE PRESENCE OF COPPER IN THE ALLOY PROVIDING A DUCTILITY, STRENGTH, AND HARDNESS IMPROVING EFFECT.
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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |