US3017449A
Expired / Lapsed
US
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Assignee: DONALD B ALEXANDER
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Filing: 1957-03-06
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Granted: 1962-01-16
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Expires: 1977-03-06
Abstract
No abstract record available.
Inventors
- 👤 Edward L Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:15
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38; H01M6/42; H01M6/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN AN INSTANTANEOUSLY ACTIVATABLE BATTERY HAVING A PLURALITY OF ADJACENT DRY, NON-ACTIVATED CELLS, A CONTAINER FOR CONTROLLABLY DISCHARGING ELECTROLYTE TO THE BATTERY CELLS COMPRISING, IN COMBINATION, A FRANGIBLE, SEALED CASE MOUNTED ADJACENT SAID CELLS, SAID CASE HAVING LINES OF WEAKNESS EXTENDING ACROSS SAID PLURALITY OF CELLS, AN EXPANDABLE BLADDER POSITIONED WITHIN SAID CASE, AND AN ELECTROLYTIC SOLUTION FILLING THE REMAINDER OF SAID CASE, SAID BLADDER WHEN EXPANDED BEING EFFECTIVE TO FRACTURE SAID CASE ALONG SAID LINES OF WEAKNESS AND DISCHARGE THE ELECTROLYTE SIMULTANEOUSLY INTO SAID CELLS.
Claim 2
Dependent Claim
86 words
IN AN INSTANTANEOUSLY ACTIVATABLE BATTERY HAVING A PLURALITY OF ADJACENT DRY, NON-ACTIVATED CELLS, A CONTAINER FOR CONTROLLABLY DISCHARGING ELECTROLYTE TO THE BATTERY CELLS COMPRISING, IN COMBINATION, A FRANGIBLE, SEALED CASE MOUNTED ADJACENT SAID CELLS, SAID CASE HAVING LINES OF WEAKNESS EXTENDING ACROSS SAID PLURALITY OF CELLS, AN EXPANDABLE BLADDER POSITIONED WITHIN SAID CASE, AND AN ELECTROLYTIC SOLUTION FILLING THE REMAINDER OF SAID CASE, SAID BLADDER WHEN EXPANDED BEING EFFECTIVE TO FRACTURE SAID CASE ALONG SAID LINES OF WEAKNESS AND DISCHARGE THE ELECTROLYTE SIMULTANEOUSLY INTO SAID CELLS.
References Cited (Backward Citations)
US2404144A
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US2502723A
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US2452049A
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US2715652A
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US2727083A
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FR1094210A
Cited
FR1126430A
Cited
US2724012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |