Patent US2770761A successfully refreshed from Google Patents.
US2770761A
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Semiconductor translators containing enclosed active junctions
Assignee: AT&T Inc
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Filing: 1954-12-16
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Granted: 1956-11-13
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Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 William G Pfann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
H; H10; H10D; H10D99/00; C; C30; C30B; C30B13/00; C30B13/02; H10F; H10F99/00; H10P; H10P95/00; H10P95/50; H10W; H10W10/00; H10W10/01; H10W10/031; H10W10/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2644352A
Cited
US2504628A
Cited
US2569347A
Cited
US2502479A
Cited
US2672528A
Cited
US2732519A
Cited
US2697052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |