US2930950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power field-effect transistor
Assignee: Individual
•
Filing: 1957-12-09
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Granted: 1960-03-29
•
Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Teszner Stanislas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:36
CPC Classifications
H; H10; H10D; H10D30/00; H10D30/60; H10D30/67; G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; H10D30/80; H10D48/00; H10D48/30; H10D48/32; H10D48/36; H10D62/00; H10D62/10; H10D84/00; H10D84/60; H10D84/645; H10D99/00; H10P; H10P14/00; H10P14/60; H10P14/61; H10P52/00; H10P95/00; H10P95/50; H10W; H10W40/00; H10W40/60; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/138; H10W76/60; H10W72/00; H10W72/50; H10W72/531; H10W72/5363; H10W76/63; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |