US3088903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control means
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1960-02-18
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Granted: 1963-05-07
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Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Firth Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:24
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C9/00; G21C9/02; G21C9/027; G21C9/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A NUCLEAR REACTOR CORE STRUCTURE HAVING A SUBSTANTIALLY VERTICAL CHANNEL PASSING THERETHROUGH, REACTOR CONTROL MEANS COMPRISING CABLE MEANS EXTENDING DOWN INTO THE CHANNEL FOR MOVEMENT THEREIN AND HAVING A PLUG MEMBER SUPPORTED THEREON, AND MEANS DEFINING AN ELONGATE CASING RESTING ON THE PLUG MEMBER IN THE CHANNEL FOR MOVEMENT WITH THE CABLE AND HAVING AN OPENING IN THE BASE THEREOF, SAID CASING CONTAINING A LOOSELY PACKED MASS OF NEUTRON ABSORBING BODIES EACH ADAPTED TO PASS THROUGH THE OPENING, AND SAID PLUG MEMBER BEING SO ENGAGED IN THE OPENING AS TO NORMALLY PREVENT FLOW OF THE BODIES THERETHROUGH BUT RELEASABLE THEREFROM UNDER ITS OWN
Claim 2
Dependent Claim
104 words
IN A NUCLEAR REACTOR CORE STRUCTURE HAVING A SUBSTANTIALLY VERTICAL CHANNEL PASSING THERETHROUGH, REACTOR CONTROL MEANS COMPRISING CABLE MEANS EXTENDING DOWN INTO THE CHANNEL FOR MOVEMENT THEREIN AND HAVING A PLUG MEMBER SUPPORTED THEREON, AND MEANS DEFINING AN ELONGATE CASING RESTING ON THE PLUG MEMBER IN THE CHANNEL FOR MOVEMENT WITH THE CABLE AND HAVING AN OPENING IN THE BASE THEREOF, SAID CASING CONTAINING A LOOSELY PACKED MASS OF NEUTRON ABSORBING BODIES EACH ADAPTED TO PASS THROUGH THE OPENING, AND SAID PLUG MEMBER BEING SO ENGAGED IN THE OPENING AS TO NORMALLY PREVENT FLOW OF THE BODIES THERETHROUGH BUT RELEASABLE THEREFROM UNDER ITS OWN
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |