Patent US3247070A successfully refreshed from Google Patents.
US3247070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moderator structures for nuclear reactors including a unitary header tank
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1963-01-10
•
Granted: 1966-04-19
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Challender Ronald Scott
- 👤 Poulter Dennis Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:53
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/04; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A NUCLEAR REACTOR MODERATOR STRUCTURE COMPRISING A PLURALITY OF UPRIGHT GRAPHITE COLUMNS, SAID COLUMNS DEFINING CHANNELS FOR FUEL ELEMENTS AND COOLANT, THE CHANNELS EXTENDING IN THE DIRECTION OF THE COLUMNS, A BASE PLATE DISPOSED BELOW SAID COLUMNS, A UNITARY HEADER TANK DISPOSED ABOVE SAID COLUMNS AND DEFINING FUEL ELEMENT SERVICING APERTURES, MEANS KEYING THE LOWER END OF EACH COLUMN TO SAID BASE PLATE, AND SPIGOT TUBE CONNECTIONS BETWEEN SAID TANK AND SAID CHANNELS AT THE UPPER ENDS OF THE COLUMNS, EACH CONNECTION ALIGNING ONE OF SAID APERTURES WITH ONE OF SAID CHANNELS.
Claim 2
Dependent Claim
92 words
A NUCLEAR REACTOR MODERATOR STRUCTURE COMPRISING A PLURALITY OF UPRIGHT GRAPHITE COLUMNS, SAID COLUMNS DEFINING CHANNELS FOR FUEL ELEMENTS AND COOLANT, THE CHANNELS EXTENDING IN THE DIRECTION OF THE COLUMNS, A BASE PLATE DISPOSED BELOW SAID COLUMNS, A UNITARY HEADER TANK DISPOSED ABOVE SAID COLUMNS AND DEFINING FUEL ELEMENT SERVICING APERTURES, MEANS KEYING THE LOWER END OF EACH COLUMN TO SAID BASE PLATE, AND SPIGOT TUBE CONNECTIONS BETWEEN SAID TANK AND SAID CHANNELS AT THE UPPER ENDS OF THE COLUMNS, EACH CONNECTION ALIGNING ONE OF SAID APERTURES WITH ONE OF SAID CHANNELS.
References Cited (Backward Citations)
US2898280A
Cited
US3010888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |