Patent US3748194A successfully refreshed from Google Patents.
US3748194A
Expired / Lapsed
US
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Processing for the high strength alpha beta titanium alloys
Assignee: RTX Corp
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Filing: 1971-10-06
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Granted: 1973-07-24
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Expires: 1991-10-06
Abstract
Abstract A PROCESS FOR IMPROVING THE TOUGHNESS AND PROPERTY UNIFORMITY OF THE HIGH STRENGTH ALPHA-BETA TITANIUM FORGED ALLOYS BY A SPECIFIC HEAT TREATMENT SCHEDULE WHICH INCLUDES A SHORT ISOTHERMAL TRANSFORMATION HEAT TREATMENT STEP LOW IN THE ALPHA-BETA REGION SUBSEQUENT TO SOLUTIONING TREATMENT HIGH IN THE ALPHA-BETA REGION.
Inventors
- 👤 M Smith
- 👤 D Ruckle
- 👤 R Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:21
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22F1/183
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |