US2921362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of semiconductor devices
Assignee: Honeywell Inc
•
Filing: 1955-06-27
•
Granted: 1960-01-19
•
Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Nomura Kaworn Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:54
CPC Classifications
H; H10; H10P; H10P95/00; C; C30; C30B; C30B31/00; C30B31/06; H10D; H10D99/00; Y; Y10; Y10S; Y10S438/00; Y10S438/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1080034A
Cited
US2793145A
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US2767358A
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US2725316A
Cited
US2829992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |