US2665474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly refractory molybdenum alloys
Assignee: Fansteel Inc
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Filing: 1950-03-18
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Granted: 1954-01-12
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Expires: 1970-03-18
Abstract
No abstract record available.
Inventors
- 👤 Edward A Beidler
- 👤 Ivor E Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:51
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/58085; C04B35/58092; Y; Y10; Y10S; Y10S239/00; Y10S239/19; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12674; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12833; Y10T428/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AS AN ARTICLE OF MANUFACTURE, A DENSE BODY OF HIGH STRENGTH AND HIGH RESISTANCE TO OXIDATION, TO EROSION OF GASES, TO THERMAL SHOCK AND TO DEFORMATION AT A TEMPERATURES ABOVE ABOUT 1200* C., CONSISTING OF A SUBSTANTIALLY NON-POROUS CAST BODY OF A MOLYBDENUM-SILICON ALLOY, THE ALLOY CONTAINING FROM ABOUT 22.5% TO ABOUT 47% SILICON.
Claim 2
Dependent Claim
54 words
AS AN ARTICLE OF MANUFACTURE, A DENSE BODY OF HIGH STRENGTH AND HIGH RESISTANCE TO OXIDATION, TO EROSION OF GASES, TO THERMAL SHOCK AND TO DEFORMATION AT A TEMPERATURES ABOVE ABOUT 1200* C., CONSISTING OF A SUBSTANTIALLY NON-POROUS CAST BODY OF A MOLYBDENUM-SILICON ALLOY, THE ALLOY CONTAINING FROM ABOUT 22.5% TO ABOUT 47% SILICON.
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |