US2999059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor
Assignee: Individual
•
Filing: 1958-04-04
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Granted: 1961-09-05
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Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 Treshow Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:56
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/082; G21C15/00; G21C15/22; G21C3/00; G21C3/30; G21C3/32; G21C5/00; G21C5/14; G21C7/00; G21C7/26; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A NEUTRONIC REACTOR COMPRISING A PRESSURE SHELL, A PLURALITY OF FUEL ELEMENTS CONTAINING THERMAL NEUTRONS FISSIONABLE ISOTOPES SUPPORTED BETWEEN AN UPPER GRID AND A LOWER GRID WITHIN SAID PRESSURE SHELL, A PLURALITY OF SPACED CONTROL TUBES SUPPORTED BETWEEN SAID UPPER AND LOWER GRIDS, SAID FUEL ELEMENTS HEXAGONALLY ARRANGED IN GROUPS OF SIX SURROUNDING A CONTROL TUBE, A STEAM-FORMING COOLANTMODERATOR CONTAINED WITHIN THE PRESSURE SHELL AND SURROUNDING EACH OF SAID FUEL ELEMENTS AND CONTROL TUBES, THE VOLUME RATIO OF SAID COOLANT-MODERATOR TO SAID FISSIONABLE ISOTOPES BEING INSUFFICIENT TO YIELD A NEUTRON MULTIPLICATION FACTOR OF UNITY, A LIQUID CONTROL-MODERATOR WITHIN EACH OF SAID CONTROL TUBES, MEANS FOR CONTROLLABLY VARYING THE AMOUNT OF CONTROL-MODERATOR WITHIN SAID CONTROL TUBES, THE VOLUME RATIO OF SAID COOLANT-MODERATOR AND SAID CONTROL-MODERATOR TO SAID FISSIONABLE ISOTOPES BEING SUFFICIENT TO YIELD A MULTIPLICATION FACTOR GREATER THAN UNITY AND A NEGATIVE REACTIVITY TO CORE VOID COEFFICIENT WHEN SAID TUBES ARE FILLED WITH CONTROL-MODERATOR.
Claim 2
Dependent Claim
153 words
A NEUTRONIC REACTOR COMPRISING A PRESSURE SHELL, A PLURALITY OF FUEL ELEMENTS CONTAINING THERMAL NEUTRONS FISSIONABLE ISOTOPES SUPPORTED BETWEEN AN UPPER GRID AND A LOWER GRID WITHIN SAID PRESSURE SHELL, A PLURALITY OF SPACED CONTROL TUBES SUPPORTED BETWEEN SAID UPPER AND LOWER GRIDS, SAID FUEL ELEMENTS HEXAGONALLY ARRANGED IN GROUPS OF SIX SURROUNDING A CONTROL TUBE, A STEAM-FORMING COOLANTMODERATOR CONTAINED WITHIN THE PRESSURE SHELL AND SURROUNDING EACH OF SAID FUEL ELEMENTS AND CONTROL TUBES, THE VOLUME RATIO OF SAID COOLANT-MODERATOR TO SAID FISSIONABLE ISOTOPES BEING INSUFFICIENT TO YIELD A NEUTRON MULTIPLICATION FACTOR OF UNITY, A LIQUID CONTROL-MODERATOR WITHIN EACH OF SAID CONTROL TUBES, MEANS FOR CONTROLLABLY VARYING THE AMOUNT OF CONTROL-MODERATOR WITHIN SAID CONTROL TUBES, THE VOLUME RATIO OF SAID COOLANT-MODERATOR AND SAID CONTROL-MODERATOR TO SAID FISSIONABLE ISOTOPES BEING SUFFICIENT TO YIELD A MULTIPLICATION FACTOR GREATER THAN UNITY AND A NEGATIVE REACTIVITY TO CORE VOID COEFFICIENT WHEN SAID TUBES ARE FILLED WITH CONTROL-MODERATOR.
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) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |