US2959480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant nickel-molybdenum alloys
Assignee: Huntington Alloys Corp
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Filing: 1957-11-12
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Granted: 1960-11-08
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Flint George Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:37
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CORROSION-RESISTANT, HOT-WORKABLE ALLOY SUITABLE FOR USE IN CHEMICAL PLANT EQUIPMENT, SAID ALLOY BEING FURTHER CHARACTERIZED IN THAT IT DOES NOT UNDERGO DELETERIOUS INTERGRANULAR CORROSION IN HEAT AFFECTED ZONES WHEN SUBJECTED IN THE AS-WELDED CONDITION TO ATTACK BY CORROSIVE MEDIA, SAID ALLOY CONSISTING ESSENTIALLY OF 26% TO 30% MOLYBDENUM, UP TO 10% IRON, 1.8% TO 2.1% VANADIUM, UP TO 0.8% SILICON, 0.01% TO 3% MANGANESE, UP TO 0.25% CARBON, UP TO 5% COBALT, AND THE BALANCE ESSENTIALLY NICKEL.
Claim 2
Dependent Claim
78 words
A CORROSION-RESISTANT, HOT-WORKABLE ALLOY SUITABLE FOR USE IN CHEMICAL PLANT EQUIPMENT, SAID ALLOY BEING FURTHER CHARACTERIZED IN THAT IT DOES NOT UNDERGO DELETERIOUS INTERGRANULAR CORROSION IN HEAT AFFECTED ZONES WHEN SUBJECTED IN THE AS-WELDED CONDITION TO ATTACK BY CORROSIVE MEDIA, SAID ALLOY CONSISTING ESSENTIALLY OF 26% TO 30% MOLYBDENUM, UP TO 10% IRON, 1.8% TO 2.1% VANADIUM, UP TO 0.8% SILICON, 0.01% TO 3% MANGANESE, UP TO 0.25% CARBON, UP TO 5% COBALT, AND THE BALANCE ESSENTIALLY NICKEL.
References Cited (Backward Citations)
US1375082A
Cited
US1375083A
Cited
US1836317A
Cited
US2109285A
Cited
US2196699A
Cited
US2237872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |