US3010890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of uranium metal
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1959-07-06
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Granted: 1961-11-28
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jepson Malcolm Douglas
- 👤 Slattery Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:04
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0286; C22C; C22C43/00; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/60; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
25 words
AN ALLOY ESSENTIALLY CONTAINING URANIUM, TWO HUNDRED TO FIVE HUNDRED PARTS PER MILLION OF IRON, AND FIVE HUNDRED TO TWELVE HUNDRED PARTS PER MILLION ALUMINUM.
Claim 2
Dependent Claim
25 words
AN ALLOY ESSENTIALLY CONTAINING URANIUM, TWO HUNDRED TO FIVE HUNDRED PARTS PER MILLION OF IRON, AND FIVE HUNDRED TO TWELVE HUNDRED PARTS PER MILLION ALUMINUM.
Claim 3
Dependent Claim
57 words
A PROCESS COMPRISING MAKING AN ARTICLE FROM THE ALLOY OF CLAIM 1, SUCH ARTICLE HAVING ITS INITIAL LARGEST PERIPHERAL GRAIN SIZE IN THE RANGE FROM TWO TO THREE MILLIMETERS, BETA QUENCHING AND THEN ALPHA ANNEALING SAID ARTICLE TO REFINE THE PERIPHERAL GRAIN SIZE BY A FACTOR OF SIX TO THIRTY FROM SAID LARGEST INITIAL PREPHERAL GRAIN SIZE.
References Cited (Backward Citations)
US2886430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |