US2649492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltaic cell
Assignee: Burndept Ltd
•
Filing: 1951-08-29
•
Granted: 1953-08-18
•
Expires: 1971-08-29
Abstract
No abstract record available.
Inventors
- 👤 Linton Alfred
- 👤 Richard W Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:25
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/66; H01M4/668; H01M50/00; H01M50/50; H01M50/528; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A CONNECTOR AND CELL CONTAINER FOR ELECTRIC DRY BATTERIES OF THE LAYER TYPE, COMPRISING A CUP TO RECEIVE THE ELECTRODES AND ELECTROLYTE, AT LEAST A PART OF THE AREA OF THE BOTTOM OF SAID CUP CONSISTING OF A CONDUCTIVE AND IMPERVIOUS AGGLOMERATION OF FINELY DIVIDED CARBON IN A MATRIX OF POLYTHENE, AND THE REMAINDER OF THE CUP OF POLYTHENE ALONE INTEGRALLY UNITED WITH THE CONDUCTIVE AGGLOMERATION.
Claim 2
Dependent Claim
66 words
A CONNECTOR AND CELL CONTAINER FOR ELECTRIC DRY BATTERIES OF THE LAYER TYPE, COMPRISING A CUP TO RECEIVE THE ELECTRODES AND ELECTROLYTE, AT LEAST A PART OF THE AREA OF THE BOTTOM OF SAID CUP CONSISTING OF A CONDUCTIVE AND IMPERVIOUS AGGLOMERATION OF FINELY DIVIDED CARBON IN A MATRIX OF POLYTHENE, AND THE REMAINDER OF THE CUP OF POLYTHENE ALONE INTEGRALLY UNITED WITH THE CONDUCTIVE AGGLOMERATION.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |