US3060393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable inductor
Assignee: TRAK ELECTRONICS CO Inc
•
Filing: 1958-10-16
•
Granted: 1962-10-23
•
Expires: 1978-10-16
Abstract
No abstract record available.
Inventors
- 👤 Carl G Sontheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:45
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/14; H01F29/146; H01F29/143
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US349611A
Cited
US2462423A
Cited
US2488393A
Cited
FR1011769A
Cited
US2581202A
Cited
US2771587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |