US2988585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed alkaline storage battery
Assignee: Accumulatoren Fabrik AG
•
Filing: 1958-03-21
•
Granted: 1961-06-13
•
Expires: 1978-03-21
Abstract
No abstract record available.
Inventors
- 👤 Peters Freimut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:05
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/62; H01M4/624; H01M4/626; H01M10/00; H01M10/34; H01M4/24; H01M4/246; H01M10/42; H01M10/52; H01M10/526; H01M4/04; H01M4/043; H01M4/0433; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB608896A
Cited
US2571927A
Cited
US2699458A
Cited
US2646457A
Cited
GB751725A
Cited
US2830108A
Cited
US2832813A
Cited
US2798110A
Cited
GB765073A
Cited
GB755547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |