Patent US3230279A successfully refreshed from Google Patents.
US3230279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sintered uranium dioxide bodies
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1962-05-04
•
Granted: 1966-01-18
•
Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Littlechild James Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:11
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; C; C04; C04B; C04B35/00; C04B35/51; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF PRODUCING A SINTERED URANIUM BODY SAID METHOD COMPRISING THE STEPS OF GRANULATING URANIUM DIOXIDE POWDER WITH THE AID OF A BONDING AGENT, SIEVING AND COLLECTING THE GRANULATED POWDER PARTICLES OF THE REQUIRED SIZE FOR FOR PRESSING, COMPRESSING THE COLLECTED PARTICLES TO FORM A SHAPED BODY, HEATING THE SHAPED BODY IN A FIRST FLUIDIZED BED TO REMOVE THE BINDING AGENT, AND SUBSEQUENTLY HEATING THE BODY IN A SECOND FLUIDIZED BED TO SINTER THE BODY, EACH OF SAID FLUIDIZED BEDS INDLUDING SINTERED URANIUM DIOXIDE POWDER FLUIDIZED BY A GAS.
Claim 2
Independent Claim
90 words
A METHOD OF PRODUCING A SINTERED URANIUM BODY SAID METHOD COMPRISING THE STEPS OF GRANULATING URANIUM DIOXIDE POWDER WITH THE AID OF A BONDING AGENT, SIEVING AND COLLECTING THE GRANULATED POWDER PARTICLES OF THE REQUIRED SIZE FOR FOR PRESSING, COMPRESSING THE COLLECTED PARTICLES TO FORM A SHAPED BODY, HEATING THE SHAPED BODY IN A FIRST FLUIDIZED BED TO REMOVE THE BINDING AGENT, AND SUBSEQUENTLY HEATING THE BODY IN A SECOND FLUIDIZED BED TO SINTER THE BODY, EACH OF SAID FLUIDIZED BEDS INDLUDING SINTERED URANIUM DIOXIDE POWDER FLUIDIZED BY A GAS.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |