US3565591A
Expired / Lapsed
US
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Titanium-zirconium-germanium brazing alloy
Assignee: United States Atomic Energy Commission
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Filing: 1969-03-28
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Granted: 1971-02-23
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Expires: 1989-03-28
Abstract
Abstract THIS INVENTION RELATES TO NEW AND IMPROVED TERNARY ALLOY HAVING PARTICULAR UTILITY IN BRAZING PARTS MADE OF GRAPHITE OR A REFRACTORY METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, NIOBIUM, CHROMIUM, TANTALUM, TUNGSTEN, AND MOLYBDENUM, AND ALLOYS CONTAINING SAID METAL AS A PREDOMINANT AL- LOYING INGREDIENT, SAID BRAZING ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT, 55 TO 75 PERCENT TITANIUM, 15 TO 35 PERCENT ZIRCONIUM, AND 10 TO 20 PERCENT GERMANIUM.
Inventors
- 👤 Domenic A Canonico
- 👤 Nancy C Cole
- 👤 Clarence W Houck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:53
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; B23K35/325; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12812
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |