Patent US2493092A successfully refreshed from Google Patents.
Patent US2840522A successfully refreshed from Google Patents.
US2840522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor and novel method
Assignee: Individual
•
Filing: 1945-09-18
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Granted: 1958-06-24
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Expires: 1965-09-18
Abstract
No abstract record available.
Inventors
- 👤 Gale J Young
- 👤 Leo A Ohlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:37
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C1/00; G21C1/04; G21C1/24; G21C1/26; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A SELF-SUBSTAINING NEUTRONIC REACTING SYSTEM COMPRISING A TANK CONTAINING A COMPOSITION WHICH COMPRISES NATURAL URANIUM DISPERSED IN HEAVY WATER, THE TOTAL VOLUME THEREOF AND THE CONCENTRATION OF THE COMPOSITION THEREIN BEING SUFFICIENT TO PROVIDE A DIVERGENT NEUTRONIC CHAIN REACTION, AND A PARTITION FOR SEPARATING SAID VOLUME INTO TWO PORTIONS INCLUDING A CADMIUM PLATE, ONE OF SAID PORTIONS BEING GREATER THAN CRITICAL SIZE AND THE OTHER OF SAID PORTIONS BEING SMALLER THAN CRITICAL SIZE, WHEREBY A NUCLEAR CHAIN REACTION CAN DEVELOP ONLY IN THE LARGER OF SAID PORTIONS.
Claim 2
Dependent Claim
87 words
A SELF-SUBSTAINING NEUTRONIC REACTING SYSTEM COMPRISING A TANK CONTAINING A COMPOSITION WHICH COMPRISES NATURAL URANIUM DISPERSED IN HEAVY WATER, THE TOTAL VOLUME THEREOF AND THE CONCENTRATION OF THE COMPOSITION THEREIN BEING SUFFICIENT TO PROVIDE A DIVERGENT NEUTRONIC CHAIN REACTION, AND A PARTITION FOR SEPARATING SAID VOLUME INTO TWO PORTIONS INCLUDING A CADMIUM PLATE, ONE OF SAID PORTIONS BEING GREATER THAN CRITICAL SIZE AND THE OTHER OF SAID PORTIONS BEING SMALLER THAN CRITICAL SIZE, WHEREBY A NUCLEAR CHAIN REACTION CAN DEVELOP ONLY IN THE LARGER OF SAID PORTIONS.
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |