US2469508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical accumulator with tubular electrodes
Assignee: Individual
•
Filing: 1946-02-27
•
Granted: 1949-05-10
•
Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 Malki Moises
- 👤 Matzkin Boris
- 👤 Goldman Aron Luis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:52
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/56; H01M10/00; H01M10/06; H01M10/12; H01M10/123; H01M4/64; H01M4/70; H01M4/72; H01M4/73; H01M50/00; H01M50/50; H01M50/543; H01M50/547; H01M50/548; H01M50/552; H01M50/559; 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)
US1149988A
Cited
US2049201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |