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Patent US3027255A successfully refreshed from Google Patents.
US3027255A
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: 1962-03-27
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Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Richard T Begley
- 👤 Leonard L France
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:46
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A HIGH TEMPERATURE ALLOY CONSISTING OF FROM 0.5% TO 10% TITANIUM, FROM 0.5% TO 10% ZIRCONIUM, FROM 0.5% TO 10% HAFNIUM, FROM 0.02% TO 0.2% OXYGEN, AND THE BALANCE ESSENTIALLY NIOBIUM WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
37 words
A HIGH TEMPERATURE ALLOY CONSISTING OF FROM 0.5% TO 10% TITANIUM, FROM 0.5% TO 10% ZIRCONIUM, FROM 0.5% TO 10% HAFNIUM, FROM 0.02% TO 0.2% OXYGEN, 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) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |