US2877170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support device for use in a nuclear reactor
Assignee: Individual
•
Filing: 1955-08-24
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Granted: 1959-03-10
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Expires: 1975-08-24
Abstract
No abstract record available.
Inventors
- 👤 Greenhalgh Frank Geoffrey
- 👤 Long Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:49
CPC Classifications
G; G21; G21C; G21C15/00; G21C15/02; G21C7/00; G21C7/06; G21C7/08; G21C7/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SUPPORT DEVICE FOR USE IN A NUCLEAR REACTOR HAVING A VERTICAL ORIENTATION COMPRISING MEANS FOR SUPPORTING AND AXIALLY LOCATING A COLUMN OF MODERATOR MATERIAL AND PROVIDING A COLLANT FLUID ENTRY TO A VERTICAL FUEL ELEMENT CHANNEL DEFINED BY AND PASSING THROUGH SAID COLUMN OF MODERATOR MATERIAL; A BOSS JOINED WITH AND COAXIAL TO SAID SUPPORTING AND AXIALLY LOCATING MEANS; A TUBULAR MEMBER SLIDABLY CARRIED WITHIN SAID BOSS; A GUIDE MEMBER SLIDABLY CARRIED WITHIN THE TUBULAR MEMBR; A FUEL ELEMENT SUPPORT MEMBER HAVING A FREELY SLIDING FIT WITHIN SAID GUIDE MEMBER AND HELD THEREIN BY LATCH MEANS RELEASABLE UNDER PREDETERMINED OVERLOAD, THE LOWER END OF THE SUPPORT MEMBER NORMALLY EXTEND BELOW THE LOWER END OF THE GUIDE MEMBER; AND BLADE MEANS CARRIED ON
Claim 2
Dependent Claim
123 words
A SUPPORT DEVICE FOR USE IN A NUCLEAR REACTOR HAVING A VERTICAL ORIENTATION COMPRISING MEANS FOR SUPPORTING AND AXIALLY LOCATING A COLUMN OF MODERATOR MATERIAL AND PROVIDING A COLLANT FLUID ENTRY TO A VERTICAL FUEL ELEMENT CHANNEL DEFINED BY AND PASSING THROUGH SAID COLUMN OF MODERATOR MATERIAL; A BOSS JOINED WITH AND COAXIAL TO SAID SUPPORTING AND AXIALLY LOCATING MEANS; A TUBULAR MEMBER SLIDABLY CARRIED WITHIN SAID BOSS; A GUIDE MEMBER SLIDABLY CARRIED WITHIN THE TUBULAR MEMBR; A FUEL ELEMENT SUPPORT MEMBER HAVING A FREELY SLIDING FIT WITHIN SAID GUIDE MEMBER AND HELD THEREIN BY LATCH MEANS RELEASABLE UNDER PREDETERMINED OVERLOAD, THE LOWER END OF THE SUPPORT MEMBER NORMALLY EXTEND BELOW THE LOWER END OF THE GUIDE MEMBER; AND BLADE MEANS CARRIED ON
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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |