US3147157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of magnetic material
Assignee: General Electric Co
•
Filing: 1959-08-05
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Granted: 1964-09-01
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Expires: 1979-08-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Grenoble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:11
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/147; H01F1/14766; H01F1/14775; C; C21; C21D; C21D8/00; C21D8/12; C21D8/1216; C21D8/1222; C21D8/1227; C21D8/1244; C21D8/1255; C22; C22C; C22C38/00; C22C38/02; C21D8/1233; C21D8/1261; C21D8/1266; C21D8/1272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A METHOD OF PREPARING A CUBE TEXTURE SOFT MAGNETIC SHEET METAL PRODUCT FROM A CAST FERROUS METAL BODY CONTAINING FROM ABOUT 2 PERCENT TO 6 PERENT SILICON AND CHARACTERIZED BY HAVING RANDOMLY ORIENTED GRAINS WHICH COMPRISES THE STEPS OF HOT ROLLING THE BODY TO FORM A HOT ROLLED BAND OF FROM ABOUT 0.05 TO 0.25 INCH IN THICKNESS,
Claim 2
Dependent Claim
59 words
IN A METHOD OF PREPARING A CUBE TEXTURE SOFT MAGNETIC SHEET METAL PRODUCT FROM A CAST FERROUS METAL BODY CONTAINING FROM ABOUT 2 PERCENT TO 6 PERENT SILICON AND CHARACTERIZED BY HAVING RANDOMLY ORIENTED GRAINS WHICH COMPRISES THE STEPS OF HOT ROLLING THE BODY TO FORM A HOT ROLLED BAND OF FROM ABOUT 0.05 TO 0.25 INCH IN THICKNESS,
References Cited (Backward Citations)
US2535420A
Cited
DE1009214B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |