US3412296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monolithic structure with threeregion or field effect complementary transistors
Assignee: Sprague Electric Co
•
Filing: 1965-10-19
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Granted: 1968-11-19
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Alan B Grebene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:29
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/80; H10D84/87; H10D84/40; H10D84/401; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/019; H10W10/10; H10W15/00; H10W15/01; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/053; Y10S148/085
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |