US2741593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid cooled neutronic reactor
Assignee: Individual
•
Filing: 1945-11-06
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Granted: 1956-04-10
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Expires: 1965-11-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Metcalf
- 👤 Henry W Johnson
- 👤 Raymond S Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:57
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/22; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A NEUTRONIC REACTOR COMPRISING A MATRIX OF NEUTRON MODERATOR WITH TUBES EXTENDING THERETHROUGH AND RODS OF URANIUM DISPOSED CENTRALLY OF THE TUBES TO FORM COOLANT ANNULI, MEANS FOR CIRCULATING COOLANT WATER THROUGH THE ANNULI, THE IMPROVEMENT WHEREIN THE COOLANT WATER HAS DISPERSED THEREIN A FISSIONABLE ISOTOPE IN A CONCENTRATION OR FROM 0.02 TO 1.2 ATOMS PER 1000 MOLECULES OF WATER, THE CONCENTRATION THEREOF BEING RELATED TO THE
Claim 2
Dependent Claim
68 words
IN A NEUTRONIC REACTOR COMPRISING A MATRIX OF NEUTRON MODERATOR WITH TUBES EXTENDING THERETHROUGH AND RODS OF URANIUM DISPOSED CENTRALLY OF THE TUBES TO FORM COOLANT ANNULI, MEANS FOR CIRCULATING COOLANT WATER THROUGH THE ANNULI, THE IMPROVEMENT WHEREIN THE COOLANT WATER HAS DISPERSED THEREIN A FISSIONABLE ISOTOPE IN A CONCENTRATION OR FROM 0.02 TO 1.2 ATOMS PER 1000 MOLECULES OF WATER, THE CONCENTRATION THEREOF BEING RELATED TO THE
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |