US3384792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacked electrode field effect triode
Assignee: Electro Optical Systems Inc
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Filing: 1965-06-01
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Granted: 1968-05-21
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kazan Benjamin
- 👤 John S Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:00
CPC Classifications
H; H10; H10D; H10D30/00; H10D30/60; H10D30/67; H10D30/674; H10D30/675; H10D30/6728; H10D84/00; H10D84/80; H10D84/82; H10D84/83; H10D99/00
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |