Patent US3243353A successfully refreshed from Google Patents.
US3243353A
Expired / Lapsed
US
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Fluid-tight access means for a nuclear reactor
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1962-04-10
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Granted: 1966-03-29
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Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Didier Costes
- 👤 Jean Claude Jacquin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:59
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; G21C13/00; G21C13/02; G21C13/04; G21C13/06; G21C13/067; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A DEVICE PROVIDING FLUID-TIGHT ACCESS OF A MOVABLE MEMBER THROUGH A STRUCTURE TO A FLUID-TIGHT TANK MOUNTED IN SPACED RELATION FOR LIMITED DISPLACEMENT RELATIVE THERETO, COMPRISING: A SEALING TUBE EXTENDING THROUGH SAID STRUCTURE AND CONNECTED AT THE INNER END THEREOF TO SAID TANK, SAID SEALING TUBE BEING DEFORMABLE SO AS TO PERMIT LIMITED RELATIVE DISPLACEMENT OF SAID TANK AND SAID STRUTURE, AND A TUBUALR GUIDING UNIT ENCLOSED WITHIN SAID SEALING TUBE IN SPACED RELATION THERETO, SAID GUIDING UNIT INCLUDING A RIGID UPPER PORTION AND A RIGID LOWER PORTION, THE LOWER END OF SAID UPPER PORTION AND THE UPPER END OF SAID LOWER PORTION BEING PIVOTALLY CONNECTED TOGETHER BY A KNUCKLE JOINT, THE UPPER END OF SAID UPPER PORTION OF SAID GUIDING UNIT EXTENDING IN SEALED, SLIDING ENGAGEMENT THROUGH THE OUTER END OF SAID SEALING TUBE AND WITH THE LOWER END OF SAID LOWER PORTION OF SAID GUIDING UNIT EXTENDING THROUGH SAID INNER END OF SAID SEALING TUBE FOR SLIDABLY RECEIVING THEREIN SAID MOVABLE MEMBER TO BE MOVED INTO AND OUT OF SAID TANK, SAID GUIDING UNIT BEING SUPPORTED ADJACENT THE OUTER END THEREOF BY SAID STRUCTURE, SAID DEVICE PERMITING LIMITED, SUBSTANTIALLY UNRESTRAINED, RELATIVE DISPLACEMENT OF SAID TANK AND SAID STRUCTURE.
Claim 2
Independent Claim
200 words
A DEVICE PROVIDING FLUID-TIGHT ACCESS OF A MOVABLE MEMBER THROUGH A STRUCTURE TO A FLUID-TIGHT TANK MOUNTED IN SPACED RELATION FOR LIMITED DISPLACEMENT RELATIVE THERETO, COMPRISING: A SEALING TUBE EXTENDING THROUGH SAID STRUCTURE AND CONNECTED AT THE INNER END THEREOF TO SAID TANK, SAID SEALING TUBE BEING DEFORMABLE SO AS TO PERMIT LIMITED RELATIVE DISPLACEMENT OF SAID TANK AND SAID STRUTURE, AND A TUBUALR GUIDING UNIT ENCLOSED WITHIN SAID SEALING TUBE IN SPACED RELATION THERETO, SAID GUIDING UNIT INCLUDING A RIGID UPPER PORTION AND A RIGID LOWER PORTION, THE LOWER END OF SAID UPPER PORTION AND THE UPPER END OF SAID LOWER PORTION BEING PIVOTALLY CONNECTED TOGETHER BY A KNUCKLE JOINT, THE UPPER END OF SAID UPPER PORTION OF SAID GUIDING UNIT EXTENDING IN SEALED, SLIDING ENGAGEMENT THROUGH THE OUTER END OF SAID SEALING TUBE AND WITH THE LOWER END OF SAID LOWER PORTION OF SAID GUIDING UNIT EXTENDING THROUGH SAID INNER END OF SAID SEALING TUBE FOR SLIDABLY RECEIVING THEREIN SAID MOVABLE MEMBER TO BE MOVED INTO AND OUT OF SAID TANK, SAID GUIDING UNIT BEING SUPPORTED ADJACENT THE OUTER END THEREOF BY SAID STRUCTURE, SAID DEVICE PERMITING LIMITED, SUBSTANTIALLY UNRESTRAINED, RELATIVE DISPLACEMENT OF SAID TANK AND SAID STRUCTURE.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |