US3440336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web-shaped superconductor
Assignee: Siemens AG
•
Filing: 1966-10-14
•
Granted: 1969-04-22
•
Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Gunther Bogner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
H; H10; H10N; H10N60/00; H01; H01F; H01F6/00; H01F6/06; H10N60/20; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/939; Y10S505/00; Y10S505/80; Y10S505/812; Y10S505/813; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12681; Y10T428/12736; Y10T428/12764; Y10T428/12771; Y10T428/12778; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/294; Y10T428/2942; Y10T428/2944
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |