US2213128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline storage battery
Assignee: Accumulatoren Fabrik AG
•
Filing: 1936-09-21
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Granted: 1940-08-27
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Expires: 1956-09-21
Abstract
No abstract record available.
Inventors
- 👤 Langguth Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:54
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0438; H01M4/044; H01M4/0459; H01M4/0461; H01M4/24; H01M4/246; H01M4/36; H01M4/362; H01M4/364; H01M4/64; H01M4/66; H01M4/661; H01M4/662; H01M4/70; H01M4/80; H01M4/801; H01M4/803; H01M2004/026; H01M2004/027; H01M4/049; H01M4/0497; H01M4/38; H01M4/44; H01M4/72; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1943-08-27 | 1944-02-26 | 1944-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-27 | 1948-02-26 | 1948-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-27 | 1952-02-26 | 1952-08-27 | $7700.00 | Window Closed / Lapsed |