US3529071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconducting cable for transmitting high electrical currents
Assignee: Siemens AG
•
Filing: 1968-04-26
•
Granted: 1970-09-15
•
Expires: 1988-04-26
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Kafka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:47
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/34; H01; H01B; H01B12/00; H01B12/14; H02G9/00; H02G9/06; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/884; Y10S505/885
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3343035A
Cited
FR1519958A
Cited
US3431347A
Cited
FR1485455A
Cited
US3390357A
Cited
US3428742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |