Patent US3408544A successfully refreshed from Google Patents.
US3408544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Junction and field-effect combined transistor
Assignee: Individual
•
Filing: 1965-11-22
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Granted: 1968-10-29
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Teszner Stanislas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:48
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/17; H10D62/177; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/053; Y10S148/145; Y10S438/00; Y10S438/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3022568A
Cited
US3210225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |