US3764468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation for the surface of a container for a liquid metal cooled nuclear reactor
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1970-02-11
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Granted: 1973-10-09
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Expires: 1990-02-11
Abstract
Abstract A thermal insulation assembly for the inside surface of a container for a liquid metal cooled nuclear reactor comprises a multiplicity of gas filled and sealed cylindrical containers mounted side by side with their longitudinal axes normal to the surface, the spaces between the cylindrical containers being occupied by gas filled and sealed prismatic containers conforming in shape to the spaces between the cylindrical containers, the s surfaces of the cylindrical containers being spaced by a small amount from the corresponding surfaces of the prismatic containers.
Inventors
- 👤 J Hind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:21
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/06; F16L59/14; F16L59/16; G; G21; G21C; G21C11/00; G21C11/08; G21C11/083; G21C11/085; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |