US2845602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer core construction
Assignee: General Electric Co
•
Filing: 1954-12-30
•
Granted: 1958-07-29
•
Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Herman R Korte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:48
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647372A
Cited
US1906586A
Cited
GB566642A
Cited
US2425622A
Cited
US2741528A
Cited
US2815491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |