US3445301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled rectifier having shunted emitter formed by a nickel layer underneath an aluminum layer
Assignee: Infineon Technologies Americas Corp
•
Filing: 1966-11-01
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Granted: 1969-05-20
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Expires: 1986-11-01
Abstract
No abstract record available.
Inventors
- 👤 Benjamin Topas
- 👤 Harold Weinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:57
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/40; H10D; H10D99/00; H10P; H10P95/00; H10W72/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3116174A
Cited
US3169304A
Cited
US3231421A
Cited
US3274460A
Cited
US3239392A
Cited
US3235945A
Cited
US3268782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |