US3740271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical dry cells
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1972-01-25
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Granted: 1973-06-19
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Expires: 1992-01-25
Abstract
Abstract A CYLINDRICAL DRY CELL INCORPORATING A METAL CONTAINER SHEATHED IN PLASTIC, INCLUDES A COVER FORMED AT ONE END OF THE SHEATH. THE COVER HAS SUBSTANTIALLY PARALLEL GROOVES FORMED THEREIN FORM RECEIVING THE ENDS OF THE METAL CONTAINER AND THE ENDS OF THE OTHER ELECTRODE TERMINAL, HOLDING SAID ENDS IN A PERMANTLY SPACED APART RELATIONSHIP.
Inventors
- 👤 J Jammet
- 👤 A Brych
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:03
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |