Patent US4369899A successfully refreshed from Google Patents.
Patent US2898252A successfully refreshed from Google Patents.
US2898252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of heat-treating uranium-silicon alloys
Assignee: Individual
•
Filing: 1951-07-03
•
Granted: 1959-08-04
•
Expires: 1971-07-03
Abstract
No abstract record available.
Inventors
- 👤 Sylvester T Zegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:34
CPC Classifications
C; C22; C22C; C22C43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR MANUFACTURING URANIUM-BASE MATERIAL OF A HIGH DEGREE OF DIMENSIONAL STABILITY, AND IN PARTICULAR FREE FROM THERMAL EXPANSION, COMPRISING INCORPORATING INTO THE URANIUM SILICON IN AN AMOUNT SUCH AS TO OBTAIN A CONTENT OF FROM 0.01 TO 0.1% BY WEIGHT, ROLLING THE ALLOY OBTAINED AT A TEMPERATURE OF BELOW 660*C., BETA-HEATING SAID ALLOY TO A TEMPERTURE OF BETWEEN 660* AND 770*C., AND QUENCHING THE ALLOY.
Claim 2
Dependent Claim
67 words
A PROCESS FOR MANUFACTURING URANIUM-BASE MATERIAL OF A HIGH DEGREE OF DIMENSIONAL STABILITY, AND IN PARTICULAR FREE FROM THERMAL EXPANSION, COMPRISING INCORPORATING INTO THE URANIUM SILICON IN AN AMOUNT SUCH AS TO OBTAIN A CONTENT OF FROM 0.01 TO 0.1% BY WEIGHT, ROLLING THE ALLOY OBTAINED AT A TEMPERATURE OF BELOW 660*C., BETA-HEATING SAID ALLOY TO A TEMPERTURE OF BETWEEN 660* AND 770*C., AND QUENCHING THE ALLOY.
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |