US3473093A
Expired / Lapsed
US
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Semiconductor device having compensated barrier zones between n-p junctions
Assignee: International Business Machines Corp
•
Filing: 1965-08-18
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Granted: 1969-10-14
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Orest Bilous
- 👤 Darrell R Meulemans
- 👤 Raymond P Pecoraro
- 👤 Michael C Selby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:09
CPC Classifications
H; H10; H10D; H10D99/00; H10P; H10P95/00; H10W; H10W20/00; H10W20/40; Y; Y10; Y10S; Y10S148/00; Y10S148/035; Y10S148/062; Y10S148/085; Y10S438/00; Y10S438/904; Y10S438/914; Y10S438/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3007090A
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US2959505A
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US2956913A
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US3248614A
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FR1372069A
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US3226611A
Cited
US3271201A
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US3307984A
Cited
US3331994A
Cited
US3312881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |