Patent US2880087A successfully refreshed from Google Patents.
US2880087A
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Titanium-aluminum alloys
Assignee: Crucible Steel Company of America
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Filing: 1957-01-18
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Granted: 1959-03-31
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Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 Robert I Jaffee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:58
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN ALLOY CONSISTING ESSENTIALLY OF: FROM MORE THAN 8 TO 15% ALUMINUM, UP TO 0.3% CARBON, BOUT 0.5 TO 50% OF AT LEAST ONE BETA PROMOTING ELEMENT BUT NOT TO EXCEED 15% IN TOTAL AMOUNT OF EUTACOID BETA PROMOTING ELEMENTS, BALANCE SUBSTANTIALLY TITANIUM CHARACTERIZED IN BEING HOT WORKABLE AND IN HAVING A MINIMUM TENSILE STRENGHT OF ABOUT 100,000 P.S.I., AS HOT WORKED AND ANNEALED.
Claim 2
Dependent Claim
64 words
AN ALLOY CONSISTING ESSENTIALLY OF: FROM MORE THAN 8 TO 15% ALUMINUM, UP TO 0.3% CARBON, BOUT 0.5 TO 50% OF AT LEAST ONE BETA PROMOTING ELEMENT BUT NOT TO EXCEED 15% IN TOTAL AMOUNT OF EUTACOID BETA PROMOTING ELEMENTS, BALANCE SUBSTANTIALLY TITANIUM CHARACTERIZED IN BEING HOT WORKABLE AND IN HAVING A MINIMUM TENSILE STRENGHT OF ABOUT 100,000 P.S.I., AS HOT WORKED AND ANNEALED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |