US3424629A
Expired / Lapsed
US
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High capacity epitaxial apparatus and method
Assignee: International Business Machines Corp
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Filing: 1965-12-13
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Granted: 1969-01-28
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Eric O Ernst
- 👤 Donald J Hurd
- 👤 Gerard Seeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:17
CPC Classifications
H; H10; H10P; H10P95/00; C; C23; C23C; C23C16/00; C30; C30B; C30B23/00; C30B25/00; C30B25/02; C30B25/08; C30B28/00; C30B28/04; C30B28/08; H10P14/00; H10P14/20; H10P14/24; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3411; H10P14/3438; H10P14/3441; H10P14/3442
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |