US2666883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for automatically charging accumulator batteries
Assignee: Alcatel Lucent SAS
•
Filing: 1950-09-06
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Granted: 1954-01-19
•
Expires: 1970-09-06
Abstract
No abstract record available.
Inventors
- 👤 Guelpa Jean Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:15
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/44; H01M10/443; H02; H02J; H02J7/00; H02J7/02; H02J7/04; H02J7/12; H02J7/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S320/00; Y10S320/28
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |