US3352756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangements for closing penetrations in the walls op reactor pressure containing structures
Assignee: —
•
Filing: —
•
Granted: 1967-11-14
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Expires: 1984-11-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:40
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; F; F16; F16J; F16J13/00; F16J13/02; G21C13/06; G21C13/073; G21C15/00; G21C15/24; G21C15/253; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN COMBINATION WITH A NUCLEAR REACTOR PRESSURE VESSEL HAVING A PENETRATION THROUGH THE PRESSURE VESSEL WALL TO PERMIT REMOVAL OF A PLANT COMPONENT WITHIN THE PRESSURE VESSLE, A NUCLEAR REACTOR PRESSURE VESSEL PENETRATION CLOSURE DEVICE COMPRISING: AN OUTER CLOSURE MEMBER, MOUNTING MEANS FOR REMOVABLY MOUNTING SAID OUTER CLOSURE MEMBER ONTO THE PRESSURE VESSLE TO CLOSE OFF THE SAID PENETRATION, AND A LEAK TIGHT SEAL OPERATIVELY ASSOCIATED WITH SAID OUTER CLOSURE MEMBER SO THAT THE SAID MOUNTING MEANS AND THE SAID LEAK TIGHT SEAL SEAL OFF PRESSURE DIFFERENCES WITHIN THE VESSEL AND A MASSIVE NON-SEALING INNER REMOVABLE CLOSING MEMBER, SECOND MOUNTING MEANS
Claim 2
Dependent Claim
101 words
IN COMBINATION WITH A NUCLEAR REACTOR PRESSURE VESSEL HAVING A PENETRATION THROUGH THE PRESSURE VESSEL WALL TO PERMIT REMOVAL OF A PLANT COMPONENT WITHIN THE PRESSURE VESSLE, A NUCLEAR REACTOR PRESSURE VESSEL PENETRATION CLOSURE DEVICE COMPRISING: AN OUTER CLOSURE MEMBER, MOUNTING MEANS FOR REMOVABLY MOUNTING SAID OUTER CLOSURE MEMBER ONTO THE PRESSURE VESSLE TO CLOSE OFF THE SAID PENETRATION, AND A LEAK TIGHT SEAL OPERATIVELY ASSOCIATED WITH SAID OUTER CLOSURE MEMBER SO THAT THE SAID MOUNTING MEANS AND THE SAID LEAK TIGHT SEAL SEAL OFF PRESSURE DIFFERENCES WITHIN THE VESSEL AND A MASSIVE NON-SEALING INNER REMOVABLE CLOSING MEMBER, SECOND MOUNTING MEANS
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |