Patent US2990348A successfully refreshed from Google Patents.
US2990348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing power
Assignee: Individual
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Filing: 1950-05-26
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Granted: 1961-06-27
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Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Wollan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:00
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/082; G21C5/00; G21C5/18; G21C5/20; G21C5/22; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A NUCLEAR REACTOR, A CENTRAL ACTIVE PORTION CONTAINING FISSIONABLE MATERIAL AND BEING ADAPTED TO SUPPORT A CHAIN REACTION OF NEUTRON INDUCED FISSIONS, A BLANKET PORTION CONTAINING FERTILE MATERIAL SUBSTANTIALLY SURROUNDING SAID ACTIVE PORTION, THE RATIO OF FISSIONABLE MATERIAL TO FERTILE MATERIAL BEING SUBSTANTIALLY GREATER IN SAID ACTIVE PORTION THAN IN SAID BLANKET PORTION, MEANS FOR FLOWING A LIQUID THROUGH SAID ACTIVE PORTION IN HEAT EXCHANGE RELATIONSHIP THEREWITH TO THEREBY HEAT THE LIQUID, MEANS FOR UTILIZING THE HEAT OF THE LIQUID TO FORM A VAPOR, AND MEANS
Claim 2
Dependent Claim
87 words
IN A NUCLEAR REACTOR, A CENTRAL ACTIVE PORTION CONTAINING FISSIONABLE MATERIAL AND BEING ADAPTED TO SUPPORT A CHAIN REACTION OF NEUTRON INDUCED FISSIONS, A BLANKET PORTION CONTAINING FERTILE MATERIAL SUBSTANTIALLY SURROUNDING SAID ACTIVE PORTION, THE RATIO OF FISSIONABLE MATERIAL TO FERTILE MATERIAL BEING SUBSTANTIALLY GREATER IN SAID ACTIVE PORTION THAN IN SAID BLANKET PORTION, MEANS FOR FLOWING A LIQUID THROUGH SAID ACTIVE PORTION IN HEAT EXCHANGE RELATIONSHIP THEREWITH TO THEREBY HEAT THE LIQUID, MEANS FOR UTILIZING THE HEAT OF THE LIQUID TO FORM A VAPOR, AND MEANS
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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |