US2519527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric dry battery
Assignee: EMI Ltd
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Filing: 1947-03-20
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Granted: 1950-08-22
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Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson George Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:07
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/489; H01M6/42; H01M6/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN ELECTRIC DRY BATTERY WHEREIN A PLURALITY OF BATTERY CLEES, EACH CELL INCLUDING AN ELECTROLYTE CELL ELEMENT, ARE ARRANGED IN A COMMON SHEATH OF FLEXIBLE ELECTROLYTE-RESISITING DIELECTRIC MATERIAL, SAID SHEATH BEING PERFORATED AND APPLIED TO SAID PLURALITY OF CELLS TO FORM SEPARATE COMPARTMENTS WITHIN WHICH SAID CELLS ARE INDIVIDUALLY ENCLOSED WITH PORTIONS OF THE FACES OF SAID CELLS EXPOSED THROUGH THE PERFORMATIONS IN SAID SHEATH, AND MEANS FOR PRESSING SAID CELL ELEMENTS TOGETHER, WHEREBY SAID SHEATH AT LEAST REDUCES THE ESCAPE OF ELECTROLYTE FROM ONE CELL TO ANOTHER WHILST ELECTRICAL CONTACT BETWEEN ADJACENT CELLS IS OBTAINED THOUGH SAID PERFORATIONS.
Claim 2
Dependent Claim
99 words
AN ELECTRIC DRY BATTERY WHEREIN A PLURALITY OF BATTERY CLEES, EACH CELL INCLUDING AN ELECTROLYTE CELL ELEMENT, ARE ARRANGED IN A COMMON SHEATH OF FLEXIBLE ELECTROLYTE-RESISITING DIELECTRIC MATERIAL, SAID SHEATH BEING PERFORATED AND APPLIED TO SAID PLURALITY OF CELLS TO FORM SEPARATE COMPARTMENTS WITHIN WHICH SAID CELLS ARE INDIVIDUALLY ENCLOSED WITH PORTIONS OF THE FACES OF SAID CELLS EXPOSED THROUGH THE PERFORMATIONS IN SAID SHEATH, AND MEANS FOR PRESSING SAID CELL ELEMENTS TOGETHER, WHEREBY SAID SHEATH AT LEAST REDUCES THE ESCAPE OF ELECTROLYTE FROM ONE CELL TO ANOTHER WHILST ELECTRICAL CONTACT BETWEEN ADJACENT CELLS IS OBTAINED THOUGH SAID PERFORATIONS.
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) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |