Patent US5484314A successfully refreshed from Google Patents.
Patent US3100188A successfully refreshed from Google Patents.
US3100188A
Expired / Lapsed
US
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Reactor moderator structure
Assignee: Individual
•
Filing: 1961-05-19
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Granted: 1963-08-06
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Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Fraas
- 👤 John J Tudor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:23
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/04; G21C5/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A NUETRONIC REACTOR COMPRISING A PESSURE VESSEL AND A MODERATOR STRUCTURE DISPOSED THRERIN, AN IMPROVESD MODERATOR STRUCTURE COMPRISING A MULIPLICITY OF MODERATOR BLOCKS ARRANGED IN HORIZONTAL LAYERS TO FORM A MULTIPLICITY OF VERTICALLY STACKED COLUMNS OF BLOCKS, ALL OF SAID BLOCKS IN EAHC VERTICAL COLUMN OF BLOCKS BEING KEYED TOGETHER, A PLURALITY OF CERAMIC GRIDS BEING DISPOSED BE TWEEN SAID HORINZONTAL LAYERS OF MODERATOR BLOCKS, SAID CERMAIC GRIDS PROVIDING HORIZONTAL RESTRAINT TO SAID MODERATOR BLOCKS; A MULTIPLICITY OF PRESSURE PLATES COVERING THE LATERAL SURFACE OF SAID MODERATOR STRUCTURE IN ABUTTING RELATIONSHIP WITH THE PERIPHERAL TERMINAL LENGTHS OF
Claim 2
Dependent Claim
98 words
IN A NUETRONIC REACTOR COMPRISING A PESSURE VESSEL AND A MODERATOR STRUCTURE DISPOSED THRERIN, AN IMPROVESD MODERATOR STRUCTURE COMPRISING A MULIPLICITY OF MODERATOR BLOCKS ARRANGED IN HORIZONTAL LAYERS TO FORM A MULTIPLICITY OF VERTICALLY STACKED COLUMNS OF BLOCKS, ALL OF SAID BLOCKS IN EAHC VERTICAL COLUMN OF BLOCKS BEING KEYED TOGETHER, A PLURALITY OF CERAMIC GRIDS BEING DISPOSED BE TWEEN SAID HORINZONTAL LAYERS OF MODERATOR BLOCKS, SAID CERMAIC GRIDS PROVIDING HORIZONTAL RESTRAINT TO SAID MODERATOR BLOCKS; A MULTIPLICITY OF PRESSURE PLATES COVERING THE LATERAL SURFACE OF SAID MODERATOR STRUCTURE IN ABUTTING RELATIONSHIP WITH THE PERIPHERAL TERMINAL LENGTHS OF
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |