Patent US2898667A successfully refreshed from Google Patents.
US2898667A
Expired / Lapsed
US
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Method of preventing edge cracking in the rolling of stainless steel
Assignee: United States Steel Corp
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Filing: 1954-04-02
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Granted: 1959-08-11
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Expires: 1974-04-02
Abstract
No abstract record available.
Inventors
- 👤 Michael A Orehoski
- 👤 Robert L Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:33
CPC Classifications
B; B21; B21B; B21B3/00; B21B3/02; B21B1/00; B21B1/22; B21B15/00; B21B15/0085; B21B15/0007; B21B2015/0021; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/308
Claims Analysis
Total Claims: 0
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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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |