Patent US2789072A successfully refreshed from Google Patents.
US2789072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treated uranium alloy and method of preparing same
Assignee: Individual
•
Filing: 1952-12-22
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Granted: 1957-04-16
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Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald W White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:49
CPC Classifications
C; C22; C22C; C22C43/00; Y; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS OF PRODUCING SMALL GRAIN SIZE URANIUM OF GREAT DIMENSIONAL AND SURFACE STABILITY, COMPRISING INCORPORATING FROM 0.1 TO 10 ATOMIC PERCENT OF CHROMIUM INTO THE URANIUM, HEATING THE ALLOY OBTAINED TO AN ELEVATED TEMPERATURE ABOVE THE ALPHA-TO-BETA TRANSFORMATION TEMPERATURE, RAPIDLY COOLING THE ALLOY TO A TEMPERTURE OF BETWEEN ABOUT 525 AND 400*C., AND HOLDING THE ALLOY AT THIS LATTER TEMPERATURE UNTIL TRANSFORMATION TO ALPHA-PHASE CRYSTALS IS COMPLETE.
Claim 2
Dependent Claim
68 words
A PROCESS OF PRODUCING SMALL GRAIN SIZE URANIUM OF GREAT DIMENSIONAL AND SURFACE STABILITY, COMPRISING INCORPORATING FROM 0.1 TO 10 ATOMIC PERCENT OF CHROMIUM INTO THE URANIUM, HEATING THE ALLOY OBTAINED TO AN ELEVATED TEMPERATURE ABOVE THE ALPHA-TO-BETA TRANSFORMATION TEMPERATURE, RAPIDLY COOLING THE ALLOY TO A TEMPERTURE OF BETWEEN ABOUT 525 AND 400*C., AND HOLDING THE ALLOY AT THIS LATTER TEMPERATURE UNTIL TRANSFORMATION TO ALPHA-PHASE CRYSTALS IS COMPLETE.
References Cited (Backward Citations)
US2756489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |