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US3506940A
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High transition temperature superconductor and devices utilizing same
Assignee: AT&T Inc
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Filing: 1967-05-02
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Granted: 1970-04-14
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Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest Corenzwit
- 👤 Theodore H Geballe
- 👤 Louis D Longinotti
- 👤 Bernd T Matthias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:17
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H03; H03K; H03K3/00; H03K3/02; H03K3/38; H10; H10N; H10N60/00; H10N60/80; H10N60/84; H10N60/85; Y; Y10; Y10S; Y10S420/00; Y10S420/901; Y10S505/00; Y10S505/80; Y10S505/801; Y10S505/805; Y10S505/806; Y10S505/812; Y10S505/813; Y10S505/825; Y10S505/856; Y10S505/882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3215569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |