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Patent US3484302A successfully refreshed from Google Patents.
US3484302A
Expired / Lapsed
US
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Method of growing semiconductor crystals
Assignee: Fujitsu Ltd
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Filing: 1967-01-16
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Granted: 1969-12-16
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Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Kazuo Maeda
- 👤 Junzi Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:46
CPC Classifications
C; C30; C30B; C30B13/00; C30B13/02; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/107; Y10S148/166
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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |