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Patent US3384794A successfully refreshed from Google Patents.
US3384794A
Expired / Lapsed
US
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Superconductive logic device
Assignee: AT&T Inc
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Filing: 1966-03-08
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Granted: 1968-05-21
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Expires: 1986-03-08
Abstract
No abstract record available.
Inventors
- 👤 Willard S Boyle
- 👤 George E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:36
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/195; H03K19/1952; H10; H10N; H10N60/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/873; Y10S505/875
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |