Patent US3076361A successfully refreshed from Google Patents.
US3076361A
Expired / Lapsed
US
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Rolling steel in ferritic state
Assignee: Bethlehem Steel Corp
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Filing: 1960-05-12
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Granted: 1963-02-05
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Epstein Samuel
- 👤 John W Frame
- 👤 George F Melloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:46
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/22; B21B1/24; B21B1/26; C; C21; C21D; C21D8/00; B21B2201/00; B21B2201/04; Y; Y10; Y10S; Y10S72/00; Y10S72/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF PRODUCING ROLLED SHAPES OF NONAUSTENITIC STEEL COMPRISING HEAT TREATING A BILLET OF SAID STEEL TO PRODUCE THEREIN THE METALLURGICAL AND MECHANICAL PROPERTIES DESIRED IN THE ROLLED SHAPE, HEATING SAID STEEL BILLET TO WITHIN A TEMPERTURE RANGE HAVING AS THE UPPER LIMIT THEREOF, THE HIGHEST TEMPERATURE AT WHICH SAID STEEL BILLET WILL REMAIN WHOLLY FERRITIC AND HAVING AS THELOWER LIMIT THEREOF, A TEMPERATURE OF APPROXIMATELY 200*F. BELOW THE CRITICAL TEMPERATURE, ON HEATING, OF THE SAID STEEL BILLET, AND ROLLING SAID STEEL BILLET WHILE WITHIN SAID TEMPERATURE RANGE AND WHILE MAINTAINING SAID PROPERTIES.
Claim 2
Independent Claim
94 words
THE METHOD OF PRODUCING ROLLED SHAPES OF NONAUSTENITIC STEEL COMPRISING HEAT TREATING A BILLET OF SAID STEEL TO PRODUCE THEREIN THE METALLURGICAL AND MECHANICAL PROPERTIES DESIRED IN THE ROLLED SHAPE, HEATING SAID STEEL BILLET TO WITHIN A TEMPERTURE RANGE HAVING AS THE UPPER LIMIT THEREOF, THE HIGHEST TEMPERATURE AT WHICH SAID STEEL BILLET WILL REMAIN WHOLLY FERRITIC AND HAVING AS THELOWER LIMIT THEREOF, A TEMPERATURE OF APPROXIMATELY 200*F. BELOW THE CRITICAL TEMPERATURE, ON HEATING, OF THE SAID STEEL BILLET, AND ROLLING SAID STEEL BILLET WHILE WITHIN SAID TEMPERATURE RANGE AND WHILE MAINTAINING SAID PROPERTIES.
References Cited (Backward Citations)
US938893A
Cited
US1711000A
Cited
US2400866A
Cited
US2767835A
Cited
US2881107A
Cited
US2924544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |