US3021273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsurface containment for nuclear power reactors
Assignee: Lockheed Martin Corp
•
Filing: 1958-08-11
•
Granted: 1962-02-13
•
Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 George P Dix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/10; G21C9/00; G21C9/004; G21C9/012; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION WITH A NUCLEAR REACTOR ENCLOSED WITHIN A PRESSURE VESSEL, MEANS FOR CONTAINMENT OF THE PRODUCTS OF ACCIDENTAL REACTOR EXCURSION FROM SAID PRESSURE VESSEL COMPRISING AN OUTER WALL MEMBER SURROUNDING AND SPACED FROM SAID PRESSURE VESSEL AND DEFINING A CHAMBER OF SUBSTANTIAL VOLUME BETWEEN SAID PRESSURE VESSEL AND SAID WALL MEMBER, RECTICULAR ENCLOSURES LOCATED IN SAID CHAMBER ADJACENT TO SAID PRESSURE VESSEL, AND A FILLING OF SUBSTANTIALLY SPHERICAL PARTICLES OF HEAT CONDUCTING SOLID MATERIAL IN SAID CHAMBER, SAID RETICULAR ENCLOSURES DEFINING VOID SPACES BY EXCLUDING SAID FILLING MATERIAL, THE VOLUME WITHIN SAID VOID SPACES AND WITHIN INTERSTICES BETWEEN SAID SPHERICAL PARTICLES CONTAINING ONLY GAS.
Claim 2
Dependent Claim
105 words
IN COMBINATION WITH A NUCLEAR REACTOR ENCLOSED WITHIN A PRESSURE VESSEL, MEANS FOR CONTAINMENT OF THE PRODUCTS OF ACCIDENTAL REACTOR EXCURSION FROM SAID PRESSURE VESSEL COMPRISING AN OUTER WALL MEMBER SURROUNDING AND SPACED FROM SAID PRESSURE VESSEL AND DEFINING A CHAMBER OF SUBSTANTIAL VOLUME BETWEEN SAID PRESSURE VESSEL AND SAID WALL MEMBER, RECTICULAR ENCLOSURES LOCATED IN SAID CHAMBER ADJACENT TO SAID PRESSURE VESSEL, AND A FILLING OF SUBSTANTIALLY SPHERICAL PARTICLES OF HEAT CONDUCTING SOLID MATERIAL IN SAID CHAMBER, SAID RETICULAR ENCLOSURES DEFINING VOID SPACES BY EXCLUDING SAID FILLING MATERIAL, THE VOLUME WITHIN SAID VOID SPACES AND WITHIN INTERSTICES BETWEEN SAID SPHERICAL PARTICLES CONTAINING ONLY GAS.
References Cited (Backward Citations)
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Cited
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Cited
US2861034A
Cited
US2921007A
Cited
US2936273A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |