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US3454781A
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Super-fast switching device,using either direct or rectified alternating current,more particularly applied for substituting one power source to another
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1966-12-27
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Granted: 1969-07-08
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jean-Pierre Alphonse Scholler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:43
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/59; H01H33/596; H02; H02J; H02J9/00; H02J9/04; H02J9/06; H02J9/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3040182A
Cited
US3240949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |