US3673000A
Expired / Lapsed
US
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Antimagnetic alkaline miniature galvanic cell
Assignee: Leclanche SA
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Filing: 1970-04-27
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Granted: 1972-06-27
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Expires: 1990-04-27
Abstract
Abstract A NON-MAGNETIC ALKALINE MINATURE GALVANIC CELL HAVING A POSITIVE ELECTRODE CONTAINING A METALLIC OXIDE HAS A NICKEL ALLOY HOUSING CONTAINING AT LEAST 65% NICKEL AND A RESILIENT LAMINATED CLOSURE HAVING A SPRING BRONZE LAMINAE IN ELECTRICAL CONTACT WITH THE NEGATIVE ELECTRODE.
Inventors
- 👤 Paul Ruetschi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:25
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; H01M10/28; H01M10/283; H01M10/285; G; G04; G04C; G04C10/00; H01M50/00; H01M50/10; H01M50/116; H01M50/117; H01M50/119; H01M50/147; H01M50/166; H01M50/167; H01M50/171; H01M50/50; H01M50/543; H01M50/545; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |