US3397349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage semiconductor rectifier with a sloping surface across barrier edge
Assignee: Motorola Solutions Inc
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Filing: 1964-12-22
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Granted: 1968-08-13
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Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Clark Oscar Mellville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
H; H10; H10P; H10P50/00; H10P50/69; H10P50/691; C; C23; C23F; C23F1/00; C23F1/02; H10D; H10D62/00; H10D62/10; H10D62/102; H10D62/103; H10D62/104; Y; Y10; Y10S; Y10S438/00; Y10S438/978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2395743A
Cited
US2794946A
Cited
US3007090A
Cited
US2993155A
Cited
FR1228285A
Cited
GB883468A
Cited
US3255055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |