US2946030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive switching element
Assignee: Arthur D Little Inc
•
Filing: 1957-07-02
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Granted: 1960-07-19
•
Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Albert E Slade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:30
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H03; H03K; H03K17/00; H03K17/51; H03K17/92; Y; Y10; Y10S; Y10S336/00; Y10S336/01; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/88; Y10S505/882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2666884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |