US3357893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented nuclear reactor fuel element
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-08-23
•
Granted: 1967-12-12
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Gatley John Andrew
- 👤 Webb John
- 👤 Gallie Reginald Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:47
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/041; G21C3/30; G21C3/32; G21C3/3213; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
FOR A NUCLEAR REACTOR, A FUEL ELEMENT OF THE VENTED TYPE HAVING A FUEL-CONTAINING PROTECTIVE SHEATH OF ELONGATED FORM AND COMPRISING MEANS DEFINING A VENT PATH UNOBSTRUCTED BY FUEL AND HAVING PERMANENTLY OPEN COMMUNICATION WITH THE FUEL ADJACENT ONE END, THE OTHER END OF THE VENT PATH BEING AN OUTLET IN OPEN COMMUNICATION WITH THE EXTERIOR SURROUNDINGS OF THE SHEATH FOR DISCHARGE INTO THESE SURROUNDINGS OF GASES RELEASED BY THE FUEL DURING OPERATION OF THE ELEMENT AND THE LENGTH OF THE VENT PATH BETWEEN SAID ONE END AND THE OUTLET BEING LONGER THAN THE FUELLED LENGTH OF THE SHEATH IN ORDER TO PROMOTE THE DECAY BEFORE DISCHARGE OF SHORTLIVED GASEOUS PHASE FISSION PRODUCTS INCLUDED IN THE RELEASED GASES.
Claim 2
Dependent Claim
118 words
FOR A NUCLEAR REACTOR, A FUEL ELEMENT OF THE VENTED TYPE HAVING A FUEL-CONTAINING PROTECTIVE SHEATH OF ELONGATED FORM AND COMPRISING MEANS DEFINING A VENT PATH UNOBSTRUCTED BY FUEL AND HAVING PERMANENTLY OPEN COMMUNICATION WITH THE FUEL ADJACENT ONE END, THE OTHER END OF THE VENT PATH BEING AN OUTLET IN OPEN COMMUNICATION WITH THE EXTERIOR SURROUNDINGS OF THE SHEATH FOR DISCHARGE INTO THESE SURROUNDINGS OF GASES RELEASED BY THE FUEL DURING OPERATION OF THE ELEMENT AND THE LENGTH OF THE VENT PATH BETWEEN SAID ONE END AND THE OUTLET BEING LONGER THAN THE FUELLED LENGTH OF THE SHEATH IN ORDER TO PROMOTE THE DECAY BEFORE DISCHARGE OF SHORTLIVED GASEOUS PHASE FISSION PRODUCTS INCLUDED IN THE RELEASED GASES.
References Cited (Backward Citations)
US3238105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |