US2708656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutronic reactor
Assignee: Individual
•
Filing: 1944-12-19
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Granted: 1955-05-17
•
Expires: 1964-12-19
Abstract
No abstract record available.
Inventors
- 👤 Fermi Enrico
- 👤 Szilard Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:14
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/10; G21C1/12; G21C3/00; G21C3/02; G21C3/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/903; Y10S376/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A NEUTRONIC REACTOR WHICH COMPRISES A MODERATOR OF GRAPHITE AND NATURAL URANIUM RODS DISPOSED IN A GEOMETRIC PATTERN THEREIN, THE SIZE OF THE RODS AND THE VOLUME RATIO OF MODERATOR TO URANIUM BEING WITHIN THE AREA ENCOMPASSED BY THE K=1.00 CURVE OF FIGURE 3, THE PURITY OF THE GRAPHITE AND THE URANIUM AND THE TOTAL MASS THEREOF BEING SUFFICIENT TO SUSTAIN A CHAIN REACTION.
Claim 2
Dependent Claim
64 words
A NEUTRONIC REACTOR WHICH COMPRISES A MODERATOR OF GRAPHITE AND NATURAL URANIUM RODS DISPOSED IN A GEOMETRIC PATTERN THEREIN, THE SIZE OF THE RODS AND THE VOLUME RATIO OF MODERATOR TO URANIUM BEING WITHIN THE AREA ENCOMPASSED BY THE K=1.00 CURVE OF FIGURE 3, THE PURITY OF THE GRAPHITE AND THE URANIUM AND THE TOTAL MASS THEREOF BEING SUFFICIENT TO SUSTAIN A CHAIN REACTION.
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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |