US3227878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing of fuel elements for nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1963-07-26
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Granted: 1966-01-04
•
Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Nairn John Syme
- 👤 Shilling Arthur William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:11
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/20; G01M3/22; G01M3/226; G01M3/229; G21; G21C; G21C17/00; G21C17/06; G21C17/07; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF TESTING AN IRRADIATED NUCLEAR FUEL ROD COMPRISING UNRANIUM DIOXIDE FUEL ENCLOSED IN A PROTECTIVE SHEATH, TO DETERMINE WHETHER THE ROD IS LEAKING, SAID METHOD COMPRISING THE STEPS OF HEATING THE FUEL ROD IN AN OXIDISING ATMOSPHERE IN A FURNACE OUTSIDE A NUCLEAR REACTOR SO THAT THE CRYSTAL STRUCTURE OF THE URANIUM DI-
Claim 2
Independent Claim
55 words
A METHOD OF TESTING AN IRRADIATED NUCLEAR FUEL ROD COMPRISING UNRANIUM DIOXIDE FUEL ENCLOSED IN A PROTECTIVE SHEATH, TO DETERMINE WHETHER THE ROD IS LEAKING, SAID METHOD COMPRISING THE STEPS OF HEATING THE FUEL ROD IN AN OXIDISING ATMOSPHERE IN A FURNACE OUTSIDE A NUCLEAR REACTOR SO THAT THE CRYSTAL STRUCTURE OF THE URANIUM DI-
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |