US3351501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing magnetic sheets with cube-on-face grain texture
Assignee: Westinghouse Electric Corp
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Filing: 1964-06-04
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Granted: 1967-11-07
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Robert G Aspden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:16
CPC Classifications
B; B29; B29C; B29C69/00; B29C69/001; B29C48/00; B29C48/03; C; C21; C21D; C21D1/00; C21D1/74; C21D1/76; C21D8/00; C21D8/12; C21D8/1244; C21D8/1255; C22; C22C; C22C38/00; C22C38/60; B29C48/001; B29C48/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN THE METHOD OF PRODUCING (100) (HKL) TEXTURE IN METALS COMPRISING IRON AND FERROUS-BASE ALLOYS HAVING A GAMMA TO ALPHA PHASE TRANSFORMATION THE STEPS COMPRISING HEATING A BODY OF SUCH METAL TO A TEMPERATURE TO CONVERT THE METAL TO THE GAMMA PHASE, THEN COOLING THE METAL TO THE ALPHA PHASE, THE METAL HAVING FROM ABOUT 0.00003 TO 0.0005%, BY WEIGHT, OF DISSOLVED SULFUR AT LEAST AT THE SURFACE THEREOF DURING THE PHASE TRANSFORMATION, WHEREBY A HIGH PROPORTION OF THE GRAINS OF THE METAL ARE ORIENTED TO A (100) (HKL) TEXTURE.
Claim 2
Dependent Claim
90 words
IN THE METHOD OF PRODUCING (100) (HKL) TEXTURE IN METALS COMPRISING IRON AND FERROUS-BASE ALLOYS HAVING A GAMMA TO ALPHA PHASE TRANSFORMATION THE STEPS COMPRISING HEATING A BODY OF SUCH METAL TO A TEMPERATURE TO CONVERT THE METAL TO THE GAMMA PHASE, THEN COOLING THE METAL TO THE ALPHA PHASE, THE METAL HAVING FROM ABOUT 0.00003 TO 0.0005%, BY WEIGHT, OF DISSOLVED SULFUR AT LEAST AT THE SURFACE THEREOF DURING THE PHASE TRANSFORMATION, WHEREBY A HIGH PROPORTION OF THE GRAINS OF THE METAL ARE ORIENTED TO A (100) (HKL) TEXTURE.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |