US2755184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ni3al
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1952-05-06
•
Granted: 1956-07-17
•
Expires: 1972-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Percy P Turner
- 👤 Lewis J Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/007; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S505/00; Y10S505/80; Y10S505/81; Y10S505/815; Y10S505/823; Y10S505/825; Y10S505/917; Y10S505/918; Y10S505/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE METHOD OF PREPARING THE INTERMETALLIC POWDERED COMPOUND NI3AL WHICH COMPRISES MIXING THE COMPOUND NIAL AND AN AMOUNT OF ADDITIONAL POWDERED NICKEL SUFFICIENT TO YIELD THE COMPOUND NI3AL, AND COMPACTING AND SINTERING THE RESULTING MIXTURE AT A SINTERING TEMPERATURE NEAR THE SOLIDUS TEMPERATURE OF THE COMPOUND NI3AL FOR A SUFFICIENT TIME TO CAUSE SOLID STATE DIFFUSION AND THE FORMATION OF NI3AL IN SAID MIXTURE.
Claim 2
Independent Claim
64 words
THE METHOD OF PREPARING THE INTERMETALLIC POWDERED COMPOUND NI3AL WHICH COMPRISES MIXING THE COMPOUND NIAL AND AN AMOUNT OF ADDITIONAL POWDERED NICKEL SUFFICIENT TO YIELD THE COMPOUND NI3AL, AND COMPACTING AND SINTERING THE RESULTING MIXTURE AT A SINTERING TEMPERATURE NEAR THE SOLIDUS TEMPERATURE OF THE COMPOUND NI3AL FOR A SUFFICIENT TIME TO CAUSE SOLID STATE DIFFUSION AND THE FORMATION OF NI3AL IN SAID MIXTURE.
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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |