Patent US2385578A successfully refreshed from Google Patents.
US2385578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron powder core
Assignee: Individual
•
Filing: 1942-01-27
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Granted: 1945-09-25
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Expires: 1962-01-27
Abstract
No abstract record available.
Inventors
- 👤 Kaschke Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:38
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49076; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12389; Y10T428/12403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-09-24 | 1949-03-26 | 1949-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-24 | 1953-03-26 | 1953-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-24 | 1957-03-26 | 1957-09-25 | $7700.00 | Window Closed / Lapsed |