Patent US2856337A successfully refreshed from Google Patents.
US2856337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of operating nuclear reactors
Assignee: Individual
•
Filing: 1956-09-21
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Granted: 1958-10-14
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Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Untermyer Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:19
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/20; G21C19/205; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR OBTAINING ENHANCED UTILIZATION OF NATURAL URANIUM IN NUCLEAR REACTORS COMPRISING CHARGING A NUCLEAR REACTOR WITH AN EQUAL NUMBER OF FUEL ELEMENTS FORMED OF NATURAL URANIUM AND OF FUEL ELEMENTS FORMED OF URANIUM DEPLETED IN U235 TO THE EXTENT THAT THE COMBINATION WILL JUST SUPPORT A CHAIN REACTION, OPERATING THE REACTOR UNTIL THE RATE OF BURNUP OF PLUONIUM EQUALS ITS RATE OF PRODUCTION, PROCESSING THE FUEL ELEMENTS TO RECOVER PLUTONIUM, DISCHARGING THE DEPLETED URANIUM, REFORMING THE REMAINING URANIUM INTO FUEL ELEMENTS,
Claim 2
Independent Claim
83 words
A METHOD FOR OBTAINING ENHANCED UTILIZATION OF NATURAL URANIUM IN NUCLEAR REACTORS COMPRISING CHARGING A NUCLEAR REACTOR WITH AN EQUAL NUMBER OF FUEL ELEMENTS FORMED OF NATURAL URANIUM AND OF FUEL ELEMENTS FORMED OF URANIUM DEPLETED IN U235 TO THE EXTENT THAT THE COMBINATION WILL JUST SUPPORT A CHAIN REACTION, OPERATING THE REACTOR UNTIL THE RATE OF BURNUP OF PLUONIUM EQUALS ITS RATE OF PRODUCTION, PROCESSING THE FUEL ELEMENTS TO RECOVER PLUTONIUM, DISCHARGING THE DEPLETED URANIUM, REFORMING THE REMAINING URANIUM INTO FUEL ELEMENTS,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |