Patent US3524776A successfully refreshed from Google Patents.
US3524776A
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US
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Process for coating silicon wafers
Assignee: Corning Glass Works
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Filing: 1967-01-30
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Granted: 1970-08-18
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Aram K Hampikian
- 👤 Bing C Chu
- 👤 Shih-Lu Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
C; C30; C30B; C30B31/00; C30B31/06; C30B31/12; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S118/00; Y10S118/90; Y10S148/00; Y10S148/006; Y10S148/071; Y10S148/162; Y10S438/00; Y10S438/909
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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |