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Patent US3473510A successfully refreshed from Google Patents.
US3473510A
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Method and apparatus for the continuous doping of semiconductor materials
Assignee: Corning Glass Works
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Filing: 1966-02-23
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Granted: 1969-10-21
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Henry P Sheng
- 👤 Frank Thomas Wooten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:31
CPC Classifications
C; C30; C30B; C30B31/00; C30B31/06; C30B31/16; C30B31/10; C30B31/106; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S118/00; Y10S118/90; Y10S148/00; Y10S148/006; Y10S438/00; Y10S438/907
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |