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US3560270A
Expired / Lapsed
US
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Method of improving the weldability of titanium sheet steel
Assignee: Bethlehem Steel Corp
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Filing: 1966-12-23
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Granted: 1971-02-02
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Expires: 1986-12-23
Abstract
Abstract A METHOD FOR IMPROVING THE WELDABILITY OF TITANIUM SHEET STEEL COMPRISING COILING THE SHEET, AS IT COMES OFF THE HOT MILL AT TEMPERATURES NOT LOWER THAN 1250*F.
Inventors
- 👤 David W Reinbold
- 👤 James L Forand Jr
- 👤 Walter L Stitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:54
CPC Classifications
C; C21; C21D; C21D8/00; C21D8/02; C21D8/0221; C21D8/0226; C21D8/0247; C21D8/0263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |