US3152891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength niobium-base alloys
Assignee: Westinghouse Electric Corp
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Filing: 1960-02-08
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Granted: 1964-10-13
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Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Richard T Begley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:09
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A NIOBIUIM-BASE ALLOY SUITABLE FOR USE AT ELEVATED TEMPERATURES CONSISTING OF , BY WEIGHT, FROM 4% TO 6% VANADIUM, FROM 4% TO 6% MOLYBDENUM, FROM 0.75% TO 1.25% ZIRCONIUM, AND THE BALANCE ESSENTIALLY NIOBIUM WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
40 words
A NIOBIUIM-BASE ALLOY SUITABLE FOR USE AT ELEVATED TEMPERATURES CONSISTING OF , BY WEIGHT, FROM 4% TO 6% VANADIUM, FROM 4% TO 6% MOLYBDENUM, FROM 0.75% TO 1.25% ZIRCONIUM, AND THE BALANCE ESSENTIALLY NIOBIUM WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 3
Dependent Claim
33 words
A HIGH-STRENGTH ALLOY FOR USE AT ELEVATED TEMPERATURES CONSISTING OF, BY WEIGHT, FROM 3% TO 15% MOLYBDENUM, FROM 3% TO 15% HAFNIUM, AND THE BALANCE ESSENTIALLY NIOBIUM WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 4
Dependent Claim
33 words
A HIGH-STRENGTH ALLOY FOR USE AT ELEVATED TEMPERATURES CONSISTING OF, BY WEIGHT, FROM 3% TO 15% MOLYBDENUM, FROM 3% TO 15% HAFNIUM, AND THE BALANCE ESSENTIALLY NIOBIUM WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |