Patent US3123532A successfully refreshed from Google Patents.
US3123532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certificate of correction
Assignee: —
•
Filing: —
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Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:08
CPC Classifications
H; H10; H10P; H10P95/00; G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/07; G21C19/00; G21C19/20; G21C19/202; G21C7/00; G21C7/06; G21C7/08; G21C7/12; H10D; H10D99/00; H10P32/00; H10P32/10; H10P32/185; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S148/00; Y10S148/033; Y10S438/00; Y10S438/912; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A NEUTRONIC REACTOR HAVING A VERTICALLY MOVABLE NEUTRON ABSORBING CONTROL ROD, THE IMPROVED CONTROL ROD DRIVE COMPRISING IN COMBINATION A HOLLOW TUBE MEMBER MOUNTED ABOVE SAID CONTROL ROD IN COAXIAL ALIGNMENT THEREWITH, THE INTERNAL DIAMETER OF SAID TUBE MEMBER INCREASING AT INCREASING DISTANCES FROM SAID CONTROL ROD, MEANS FOR PROVIDING A VARIABLE FLUID FLOW UPWARD THROUGH SAID HOLLOW TUBE, A FLOAT MEMBER DISPOSED WITHIN SAID HOLLOW TUBE MEMBER, SAID FLOAT MEMBER ADAPTED TO VARY ITS VERTICAL POSITION IN RESPONSE TO VARIATIONS IN THE FLUID FLOW RATE THROUGH SAID HOLLOW TUBE, AN D MEANS COUPLING SAID FLOAT MEMBER TO SAID CONTROL ROD, WHEREBY CHANGES IN THE VERTICL POSITION OF SAID FLOAT MEMBER CAUSE CORRESPONDING CHANGES IN THE VERTICAL POSTION OF SAID CONTROL ROD.
Claim 2
Dependent Claim
123 words
IN A NEUTRONIC REACTOR HAVING A VERTICALLY MOVABLE NEUTRON ABSORBING CONTROL ROD, THE IMPROVED CONTROL ROD DRIVE COMPRISING IN COMBINATION A HOLLOW TUBE MEMBER MOUNTED ABOVE SAID CONTROL ROD IN COAXIAL ALIGNMENT THEREWITH, THE INTERNAL DIAMETER OF SAID TUBE MEMBER INCREASING AT INCREASING DISTANCES FROM SAID CONTROL ROD, MEANS FOR PROVIDING A VARIABLE FLUID FLOW UPWARD THROUGH SAID HOLLOW TUBE, A FLOAT MEMBER DISPOSED WITHIN SAID HOLLOW TUBE MEMBER, SAID FLOAT MEMBER ADAPTED TO VARY ITS VERTICAL POSITION IN RESPONSE TO VARIATIONS IN THE FLUID FLOW RATE THROUGH SAID HOLLOW TUBE, AN D MEANS COUPLING SAID FLOAT MEMBER TO SAID CONTROL ROD, WHEREBY CHANGES IN THE VERTICL POSITION OF SAID FLOAT MEMBER CAUSE CORRESPONDING CHANGES IN THE VERTICAL POSTION OF SAID CONTROL ROD.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |