Patent US3449208A successfully refreshed from Google Patents.
US3449208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Small nuclear reactor heat source
Assignee: Boeing North American Inc
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Filing: 1956-12-17
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Granted: 1969-06-10
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Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph Balent
- 👤 Joseph R Wetch
- 👤 Emanuel Richard Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:11
CPC Classifications
G; G21; G21C; G21C15/00; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/10; G21C1/12; G21C1/14; G21C1/16; G21C1/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/903; Y10S376/904; Y10S376/906; Y10S376/909; Y10S376/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A SMALL NUCLEAR REACTOR COMPRISING A CORE INCLUDING AN ASSEMBLY OF A PLURALITY OF MEMBERS, EACH MEMBER CONSISTING ESSENTIALLY OF A SOLID METAL HYDRIDE MODERATOR MATRIX AND A FISSIONABLE MATERIAL, EACH OF SAID MEMBERS BEING ENCLOSED WITH A RELATIVELY HYDROGEN-IMPERMEABLE LINING, A LIQUID METAL COOLANT, A PLURALITY OF COOLANT CHANNELS PASSING THROUGH SAID CORE FOR PASSAGE OF SAID COOLANT,
Claim 2
Dependent Claim
59 words
A SMALL NUCLEAR REACTOR COMPRISING A CORE INCLUDING AN ASSEMBLY OF A PLURALITY OF MEMBERS, EACH MEMBER CONSISTING ESSENTIALLY OF A SOLID METAL HYDRIDE MODERATOR MATRIX AND A FISSIONABLE MATERIAL, EACH OF SAID MEMBERS BEING ENCLOSED WITH A RELATIVELY HYDROGEN-IMPERMEABLE LINING, A LIQUID METAL COOLANT, A PLURALITY OF COOLANT CHANNELS PASSING THROUGH SAID CORE FOR PASSAGE OF SAID COOLANT,
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |