US3386050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconducting tunneling devices with improved impedance matching to resonant cavities
Assignee: AT&T Inc
•
Filing: 1966-06-29
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Granted: 1968-05-28
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Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Aly H Dayem
- 👤 Charles C Grimes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:08
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/54; H03B; H03B15/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |