Patent US3232842A successfully refreshed from Google Patents.
US3232842A
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Deformable metal chain device for regulating the power of a reactor
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1964-06-16
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Granted: 1966-02-01
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Expires: 1984-06-16
Abstract
No abstract record available.
Inventors
- 👤 Costes Didier
- 👤 Lebey Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C7/00; G21C7/06; G21C7/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A DEVICE FOR REGULATING THE POWER OF A NUCLEAR REACTOR HAVING A BIOLOGICAL PROTECTING SHIELD, AT LEAST ONE VERTICAL CHANNEL IN THE REACTOR CORE OPENING THROUGH SAID SHIELD COMPRISING A NEUTRON ABSORBING ELEMENT IN SAID CHANNEL, AT LEAST ONE DEFORMABLE METAL CHAIN FOR SAID ELEMENT, MEANS FOR DISPLACING SAID ELEMENT WITHIN SAID CHANNEL BETWEEN A "WITHDRAWN" POSITION IN WHICH SAID ELEMENT IS ENTIRELY OUTSIDE THE CORE AND A "DEPLOYED"
Claim 2
Independent Claim
69 words
A DEVICE FOR REGULATING THE POWER OF A NUCLEAR REACTOR HAVING A BIOLOGICAL PROTECTING SHIELD, AT LEAST ONE VERTICAL CHANNEL IN THE REACTOR CORE OPENING THROUGH SAID SHIELD COMPRISING A NEUTRON ABSORBING ELEMENT IN SAID CHANNEL, AT LEAST ONE DEFORMABLE METAL CHAIN FOR SAID ELEMENT, MEANS FOR DISPLACING SAID ELEMENT WITHIN SAID CHANNEL BETWEEN A "WITHDRAWN" POSITION IN WHICH SAID ELEMENT IS ENTIRELY OUTSIDE THE CORE AND A "DEPLOYED"
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |