US3379898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic current reverser having single input controlling plural outputs
Assignee: Biviator AG
•
Filing: 1964-10-28
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Granted: 1968-04-23
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Adler Karl
- 👤 Ducommun Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:20
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; E; E21; E21F; E21F17/00; E21F17/18; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/29; H03; H03F; H03F3/00; H03F3/38; H03F3/387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2728856A
Cited
US2783384A
Cited
US2962603A
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US2938174A
Cited
US3089963A
Cited
US3263150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |