US3671226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive alloys
Assignee: Mitsubishi Electric Corp
•
Filing: 1969-04-22
•
Granted: 1972-06-20
•
Expires: 1989-04-22
Abstract
Abstract THE DISCLOSED SUPERCONDUCTIVE ALLOYS COMPRISE ESSENTIALLY, BY ATOMIC PERCENT, FROM 20 TO 80% OF TITANIUM, FROM 1 TO 80% TANTALUM AND FROM 2 TO 80% OF NIOBIUM. THEY ARE EXCELLENT IN WORKABILITY AND HAVE THE MAGNETIC FIELDTO-CRITICAL SUPERCURRENT DENSITY CHARACTERISTICS SUBSTANTIALLY IDENTICAL TO THE SUPERCURRENT-TO-CRITICAL MAGNETIC FIELD CHARACTERISTICS. IN ADDITION THEY DO NOT EXHIBIT THE TRAINING EFFECT AND HAVE A RELATIVELY HIGH CRITICAL TEMPERATURE.
Inventors
- 👤 Toranosuke Komata
- 👤 Katsumi Ishihara
- 👤 Yasuo Hashimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
C; C22; C22C; C22C14/00; C22C27/00; C22C27/02; H; H10; H10N; H10N60/00; H10N60/80; H10N60/85; Y; Y10; Y10S; Y10S420/00; Y10S420/901; Y10S505/00; Y10S505/80; Y10S505/801; Y10S505/803; Y10S505/805; Y10S505/806; Y10S505/825; Y10S505/879
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |