US2660702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in transductor-controlled rectifier cooperating with storage battery andload
Assignee: ABB Norden Holding AB
•
Filing: 1948-04-20
•
Granted: 1953-11-24
•
Expires: 1968-04-20
Abstract
No abstract record available.
Inventors
- 👤 Arvidsson Algot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:27
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/34; Y; Y10; Y10S; Y10S320/00; Y10S320/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2431311A
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US2431312A
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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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |