US2995505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sealed nuclear reactor containment vessel
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1958-04-21
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Granted: 1961-08-08
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Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Guild James Carrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:09
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/073; G21C13/0735; F; F16; F16J; F16J15/00; F16J15/02; F16J15/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A NUCLEAR REACTOR CONTAINMENT VESSEL HAVING AN APERTURE THEREIN, AN ANNULAR TROUGH DISPOSED ADJACENT THE RIM OF SAID APERTURE, SEALING LIQUID DISPOSED IN SAID TROUGH, AND A ROTATABLE SHIELD COVERING SAID APERTURE AND HAVING AN ANNULAR FLANGE EXTENDING INTO SAID TROUGH A PORTION OF WHICH IS IMMERSED IN SAID SEALING LIQUID, MEANS FOR PREVENTING THE DISPLACEMENT OF SAID SEALING LIQUID FROM SAID TROUGH BY PRESSURE VARIATION COMPRISING A PASSAGEWAY DISPOSED IN SAID FLANGE AND OPENING AT ONE END IN SAID PORTION IMMERSED BY THE SEALING LIQUID AND AT THE OTHER END AT A POINT ABOVE SAID PORTION BUT BELOW SAID RIM OF THE APERTURE.
Claim 2
Dependent Claim
105 words
IN A NUCLEAR REACTOR CONTAINMENT VESSEL HAVING AN APERTURE THEREIN, AN ANNULAR TROUGH DISPOSED ADJACENT THE RIM OF SAID APERTURE, SEALING LIQUID DISPOSED IN SAID TROUGH, AND A ROTATABLE SHIELD COVERING SAID APERTURE AND HAVING AN ANNULAR FLANGE EXTENDING INTO SAID TROUGH A PORTION OF WHICH IS IMMERSED IN SAID SEALING LIQUID, MEANS FOR PREVENTING THE DISPLACEMENT OF SAID SEALING LIQUID FROM SAID TROUGH BY PRESSURE VARIATION COMPRISING A PASSAGEWAY DISPOSED IN SAID FLANGE AND OPENING AT ONE END IN SAID PORTION IMMERSED BY THE SEALING LIQUID AND AT THE OTHER END AT A POINT ABOVE SAID PORTION BUT BELOW SAID RIM OF THE APERTURE.
References Cited (Backward Citations)
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US1506610A
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US1874727A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |