US3384809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled inductance device utilizing an apertured superconductive plane
Assignee: Unisys Corp
•
Filing: 1964-07-17
•
Granted: 1968-05-21
•
Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 Albert J Meyerhoff
- 👤 Charles B Hebeler
- 👤 Chien C Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:46
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/38; H01; H01F; H01F6/00; H10; H10N; H10N60/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/872
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3263220A
Cited
US2914735A
Cited
US3094685A
Cited
US3196282A
Cited
US3086130A
Cited
US3271585A
Cited
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 |