US3087781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of spherical uranium dioxide particles
Assignee: Individual
•
Filing: 1961-05-19
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Granted: 1963-04-30
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Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph P Levey
- 👤 Alfred E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:32
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; B; B01; B01J; B01J2/00; B01J2/12; C; C01; C01G; C01G43/00; C01G43/01; C01G43/025; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/11; C01P2006/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD OF PREPARING HIGH-DENSITY, SPHERICAL UO2 PARTICLES 80 TO 150 MICRONS IN DIAMETER WHICH COMPRISES PROVIDING 3 TO 5 WEIGHT PERCENT WATER IN SINTERABLE UO2 POWDER, TTUMBLING SAID WATER-CONTAINING POWDER FOR A PERIOD OF AT LEAST 48 HOURS WHEREBY SPHERICAL PARTICLES ARE FORMED AND SINTERING THE RESULTING SPHERICAL PARTICLES.
Claim 2
Independent Claim
50 words
THE METHOD OF PREPARING HIGH-DENSITY, SPHERICAL UO2 PARTICLES 80 TO 150 MICRONS IN DIAMETER WHICH COMPRISES PROVIDING 3 TO 5 WEIGHT PERCENT WATER IN SINTERABLE UO2 POWDER, TTUMBLING SAID WATER-CONTAINING POWDER FOR A PERIOD OF AT LEAST 48 HOURS WHEREBY SPHERICAL PARTICLES ARE FORMED AND SINTERING THE RESULTING SPHERICAL PARTICLES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |