US3880655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium base alloy
Assignee: Individual
•
Filing: 1972-11-17
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Granted: 1975-04-29
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Expires: 1992-11-17
Abstract
Abstract A titanium base alloy comprising by weight, 6.0 to 7.5% of aluminum, 0.5 to 2.0% of zirconium, 0.5 to 2.0% of lead, 1.5 to 2.7% of molybdenum, 0.2 to 1.2% of tungsten, 0.1 to 0.35% of silicon, 0.2 to 0.5% of chromium, 0.05 to 0.1% of rhenium, with the balance being essentially titanium, said alloy exhibiting higher heat resistance and thermal stability at temperatures up to 550*C. than heretofore known.
Inventors
- 👤 Sergei Georgievich Glazunov
- 👤 Olga Petrovna Solonina
- 👤 Nina Mikhailovna Ulyakova
- 👤 Vera Platonovna Kuraeva
- 👤 Nadezhda Fedorovna Lyapicheva
- 👤 Oleg Alexandrovich Nikishov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:59
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A TITANIUM BASE ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT, 6.0 TO 7.5% OF ALUMINUM, 0.5 TO 2.0% OF ZIRCONIUM, 0.5 TO 2.0% OF LEAD, 1.5 TO 2.7% OF MOLYBDENUM, 0.2 TO 1.2% OF TUNGSTEN, 0.1 TO 0.35% OF SILICON, 0.2 TO 0.5% OF CHROMIUM, 0.05 TO 0.1% OF RHENIUM, AND THE BALANCE ESSENTIALLY TITANIUM
Claim 2
Dependent Claim
54 words
A TITANIUM BASE ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT, 6.0 TO 7.5% OF ALUMINUM, 0.5 TO 2.0% OF ZIRCONIUM, 0.5 TO 2.0% OF LEAD, 1.5 TO 2.7% OF MOLYBDENUM, 0.2 TO 1.2% OF TUNGSTEN, 0.1 TO 0.35% OF SILICON, 0.2 TO 0.5% OF CHROMIUM, 0.05 TO 0.1% OF RHENIUM, AND THE BALANCE ESSENTIALLY TITANIUM
References Cited (Backward Citations)
US3063835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |