US3373336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor-rectifier device for high-voltage and high-frequency
Assignee: Siemens AG
•
Filing: 1965-03-22
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Granted: 1968-03-12
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Schillmann Ekkehard
- 👤 Schatz Rienhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:22
CPC Classifications
H; H10; H10W; H10W90/00; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/10; H02M7/103; H02M7/106; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18; H04N5/00; H04N5/66; H04N5/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123760A
Cited
US2042542A
Cited
US3128421A
Cited
US3242412A
Cited
US3170218A
Cited
US3278826A
Cited
US3319136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |