US3022468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductor oscillator
Assignee: International Business Machines Corp
•
Filing: 1958-06-13
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Granted: 1962-02-20
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Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Rosenberger
- 👤 Jr Oliver W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:52
CPC Classifications
H; H03; H03B; H03B15/00; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H03K; H03K3/00; H03K3/02; H03K3/38; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/853; Y10S505/854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792781A
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US2189122A
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US2487279A
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US2666884A
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US2725474A
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US2877448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |