US3294583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating a silicon semiconductor with indium using an ion beam
Assignee: Sprague Electric Co
•
Filing: 1962-06-14
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Granted: 1966-12-27
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Fedows-Fedotowsky Leonid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
H; H10; H10P; H10P95/00; C; C23; C23C; C23C16/00; C23C16/44; C23C16/50; H10W; H10W74/00; H10W74/40; Y; Y10; Y10S; Y10S438/00; Y10S438/961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3133874A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |