US2569468A
Expired / Lapsed
US
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Method of producing grain oriented ferromagnetic alloys
Assignee: Individual
•
Filing: 1948-06-16
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Granted: 1951-10-02
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Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 Edward A Gaugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:40
CPC Classifications
C; C21; C21D; C21D8/00; C21D8/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A METHOD OF PRODUCING GRAIN-ORIENTED FERROMAGNETIC ALLOYS HAVING SUPERIOR MAGNETIC AND ELECTRICAL CHARACTERISTICS COMPRISING THE STEPS OF GRAIN-ORIENTING A GRAIN-ORIENTABLE ALLOY BY A SEVERE COLD REDUCTION PROVIDING A THICKNESS REDUCTION OF ABOUUT 99% SO AS TO ALIGN THE GRAINS THEREOF IN A PREFERRED DIRECTION OF MAGNETIZATION,
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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |