Patent US3100166A successfully refreshed from Google Patents.
US3100166A
Expired / Lapsed
US
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Formation of semiconductor devices
Assignee: International Business Machines Corp
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Filing: 1960-06-13
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Granted: 1963-08-06
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 John C Marinace
- 👤 Richard F Rutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:40
CPC Classifications
H; H10; H10P; H10P95/00; C; C22; C22B; C22B41/00; C23; C23C; C23C16/00; C23C16/44; C23C16/46; C25; C25F; C25F3/00; C25F3/02; C25F3/12; C30; C30B; C30B25/00; C30B25/02; C30B29/00; C30B29/02; C30B29/08; H10D; H10D99/00; H10P14/00; H10P14/20; H10P14/24; H10P14/29; H10P14/2924; H10P14/2925; H10P14/36; Y; Y10; Y10S; Y10S148/00; Y10S148/006; Y10S148/026; Y10S148/05; Y10S148/056; Y10S148/071; Y10S148/085; Y10S148/135; Y10S438/00; Y10S438/914; Y10S438/925; Y10S438/977; Y10S438/979
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |