US3069643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core structure
Assignee: Westinghouse Electric Corp
•
Filing: 1958-12-05
•
Granted: 1962-12-18
•
Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Gerhard M Stein
- 👤 Theodore R Specht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:35
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |