US2986508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutronic reactor structure
Assignee: Individual
•
Filing: 1945-10-11
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Granted: 1961-05-30
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Expires: 1965-10-11
Abstract
No abstract record available.
Inventors
- 👤 Harcourt C Vernon
- 👤 Alvin M Weinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:03
CPC Classifications
G; G21; G21C; G21C11/00; G21C11/06; G21C1/00; G21C1/04; G21C1/06; G21C1/22; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A NEUTRONIC REACTOR COMPRISING A MASS OF NEUTRONICALLY REACTIVE COMPOSITION OF NATURAL URANIUM AND HEAVY WATER HAVING A K FACTOR GREATER THAN UNITY, A MASS OF A SECOND COMPOSITION CONSISTING ESSENTIALLY OF NATURAL URANIUM AND ORDINARY WATER HAVING A K FACTOR LESS THAN UNITY BUT GREATER THAN ZERO, AND MEANS TO RETAIN THE SECOND COMPOSITION SURROUNDING THE FIRST COMPOSITION IN SUFFICIENT QUANTITY TO PRODUCE AN OVER-ALL NEUTRON REPRODUCTION RATIO GREATER THAN UNITY WHEREBY A SELF-SUSTAIN-
Claim 2
Dependent Claim
75 words
A NEUTRONIC REACTOR COMPRISING A MASS OF NEUTRONICALLY REACTIVE COMPOSITION OF NATURAL URANIUM AND HEAVY WATER HAVING A K FACTOR GREATER THAN UNITY, A MASS OF A SECOND COMPOSITION CONSISTING ESSENTIALLY OF NATURAL URANIUM AND ORDINARY WATER HAVING A K FACTOR LESS THAN UNITY BUT GREATER THAN ZERO, AND MEANS TO RETAIN THE SECOND COMPOSITION SURROUNDING THE FIRST COMPOSITION IN SUFFICIENT QUANTITY TO PRODUCE AN OVER-ALL NEUTRON REPRODUCTION RATIO GREATER THAN UNITY WHEREBY A SELF-SUSTAIN-
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |