US3227622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel elements
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1963-05-27
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Granted: 1966-01-04
•
Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 White Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:10
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/42; G21C3/58; G21C3/62; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A PLURALITY OF FUEL PELLETS ARRANGED END TO END IN A COLUMN, THE COLUMN OF FUEL PELLETS BEING ENCLOSED IN A THIN WALLED PROTECTIVE SHEATH, EACH FUEL PELLET BEING A TURNCATED CONICAL FORM, THE MINOR AND MAJOR END FACES OF ADJACENT FUEL PELLETS IN THE COLUMN BEING IN CONTACT WITH EACH OTHER, THE MAJOR FACES OF THE PELLETS ALL BEING OF EQUAL DIAMETER AND THE SHEATH HAVING AN EXTERNAL CON-
Claim 2
Dependent Claim
76 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A PLURALITY OF FUEL PELLETS ARRANGED END TO END IN A COLUMN, THE COLUMN OF FUEL PELLETS BEING ENCLOSED IN A THIN WALLED PROTECTIVE SHEATH, EACH FUEL PELLET BEING A TURNCATED CONICAL FORM, THE MINOR AND MAJOR END FACES OF ADJACENT FUEL PELLETS IN THE COLUMN BEING IN CONTACT WITH EACH OTHER, THE MAJOR FACES OF THE PELLETS ALL BEING OF EQUAL DIAMETER AND THE SHEATH HAVING AN EXTERNAL CON-
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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 |