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US4717538A
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Molybdenum-tungsten-titanium-zirconium-carbon alloy system
Assignee: Osram Sylvania Inc
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Filing: 1986-11-28
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Granted: 1988-01-05
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Expires: 2006-11-28
Abstract
Abstract A molybdenum-tungsten-titanium-zirconium-carbon alloy system is disclosed having a composition in percent by weight of from about 0.01 to about 0.15 carbon, from about 0.06 to about 0.20 zirconium, from about 0.40 to about 0.75 titanium, from about 10 to about 60 tungsten, and the balance molybdenum.
Inventors
- 👤 Thomas J. Patrician
- 👤 Gene T. Schaeffer
- 👤 Harry D. Martin, III
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:01
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
43 words
A molybdenum-tungsten-titanium-zirconium-carbon alloy system consisting essentially of in percent by weight from about 10 to about 60 tungsten, from about 0.40 to about 0.75 titanium, from about 0.06 to about 0.20 zirconium, from about 0.01 to about 0.15 carbon, and the balance molybdneum.
Claim 2
Dependent Claim
43 words
A molybdenum-tungsten-titanium-zirconium-carbon alloy system consisting essentially of in percent by weight from about 10 to about 60 tungsten, from about 0.40 to about 0.75 titanium, from about 0.06 to about 0.20 zirconium, from about 0.01 to about 0.15 carbon, and the balance molybdneum.
Claim 3
Dependent Claim
45 words
An alloy system of claim 1 consisting essentially of in percent by weight from about 20 to about 45 tungsten, from about 0.4 to about 0.70 titanium, from about 0.06 to about 0.12 zirconium, from about 0.05 to about 0.12 carbon, and the balance molybdenum.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-04 | 1991-07-06 | 1992-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-04 | 1995-07-06 | 1996-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-04 | 1999-07-06 | 2000-01-05 | $7700.00 | Window Closed / Lapsed |