Patent US3440113A successfully refreshed from Google Patents.
US3440113A
Expired / Lapsed
US
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Process for diffusing gold into semiconductor material
Assignee: Westinghouse Electric Corp
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Filing: 1966-09-19
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Granted: 1969-04-22
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Elden D Wolley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/80; H10D62/83; H10D62/834; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/062; Y10S252/00; Y10S252/95; Y10S252/951
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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |