Patent US624759A successfully refreshed from Google Patents.
Patent US4245844A successfully refreshed from Google Patents.
Patent US2965953A successfully refreshed from Google Patents.
US2965953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing permanent magnets
Assignee: Max Baermann GmbH
•
Filing: 1954-02-05
•
Granted: 1960-12-27
•
Expires: 1974-02-05
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:07
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/06; H01F1/10; H01F1/11; H01F1/113; Y; Y10; Y10S; Y10S264/00; Y10S264/58; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49076
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE20507E
Cited
US1981468A
Cited
US1976230A
Cited
US1994534A
Cited
US1974079A
Cited
US2185138A
Cited
US2064773A
Cited
US2188091A
Cited
US2221983A
Cited
US2576679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |