Patent US3256591A successfully refreshed from Google Patents.
US3256591A
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Method of making magnetically anisotropic permanent magnets
Assignee: Magnetfabrik Bonn GmbH
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Filing: 1963-04-26
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Granted: 1966-06-21
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Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Muller Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:58
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/10; H01F1/11; H01F1/113; H01F1/04; H01F1/06; H01F1/08; H01F41/00; H01F41/02; H01F41/0253; H01F41/0273; Y; Y10; Y10S; Y10S264/00; Y10S264/58; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A METHOD FOR MAKING MAGNETICALLY ANISOTROPIC PERMANENT MAGNETS HAVING A DESIRED ALIGNMENT OF THE DOMAINS FROM FINELY DIVIDED MAGNETIC MATERIAL COMPRISING SHAPING SAID POWDER TO A MAGNETIC BODY, MAGNETICALLY IMPARTING TO SAID BODY A PREFERENTIAL DIRECTION OF MAGNETIZATION, AND SUBSEQUENTLY MECHANICALLY DEFORM-
Claim 2
Independent Claim
42 words
A METHOD FOR MAKING MAGNETICALLY ANISOTROPIC PERMANENT MAGNETS HAVING A DESIRED ALIGNMENT OF THE DOMAINS FROM FINELY DIVIDED MAGNETIC MATERIAL COMPRISING SHAPING SAID POWDER TO A MAGNETIC BODY, MAGNETICALLY IMPARTING TO SAID BODY A PREFERENTIAL DIRECTION OF MAGNETIZATION, AND SUBSEQUENTLY MECHANICALLY DEFORM-
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |