US2997410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single crystalline alloys
Assignee: RCA Corp
•
Filing: 1954-05-03
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Granted: 1961-08-22
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Selikson Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
C; C30; C30B; C30B15/00; C30B29/00; C30B29/10; C30B29/52; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
A SINGLE CRYSTALLINE INGOT OF GERMANIUM CONTAINING SILICON AS AN ALLOYING COMPONENT IN A CONCENTRATION UP TO ABOUT 20 MOL PERCENT.
References Cited (Backward Citations)
US2631356A
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US1531784A
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US1541596A
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US2552626A
Cited
US2679080A
Cited
US2594998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |