US3069299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing magnetic material
Assignee: General Electric Co
•
Filing: 1959-09-16
•
Granted: 1962-12-18
•
Expires: 1979-09-16
Abstract
No abstract record available.
Inventors
- 👤 Howard C Fiedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:48
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/02; B; B21; B21B; B21B3/00; B21B3/02; C21; C21D; C21D8/00; C21D8/12; C21D8/1205; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/147; H01F1/14766; H01F1/14775; C21D1/00; C21D1/84; C21D8/1216; C21D8/1222; C21D8/1233; C21D8/1244; C21D8/1255
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR FORMING A FINE DISPERSION OF SULFIDE INCLUSIONS IN SILICON-IRON CASTINGS WHICH ARE ADAPTED TO BE FORMED INTO SHEET-LIKE BODIES HAVING A MAJORITY OF THEIR CONSTITUENT GRAINS ORIENTED IN THE (110)(001) TEXTURE COMPRISING COOLING SAID CASTING FROM A TEMPERTURE AT WHICH THE SULFIDES ARE IN SOLUTION TO ABOUT 1000*C. AT A RATE OF AT LEAST 30*C. PER MINUTE, REDUCING SAID CASTING BY ROLLING FOFM A SHEET-LIKE BODY, AND ANNEALING
Claim 2
Dependent Claim
71 words
A PROCESS FOR FORMING A FINE DISPERSION OF SULFIDE INCLUSIONS IN SILICON-IRON CASTINGS WHICH ARE ADAPTED TO BE FORMED INTO SHEET-LIKE BODIES HAVING A MAJORITY OF THEIR CONSTITUENT GRAINS ORIENTED IN THE (110)(001) TEXTURE COMPRISING COOLING SAID CASTING FROM A TEMPERTURE AT WHICH THE SULFIDES ARE IN SOLUTION TO ABOUT 1000*C. AT A RATE OF AT LEAST 30*C. PER MINUTE, REDUCING SAID CASTING BY ROLLING FOFM A SHEET-LIKE BODY, AND ANNEALING
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |