Patent US4008677A successfully refreshed from Google Patents.
US2985574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overall control system for high flux pile
Assignee: Individual
•
Filing: 1953-05-25
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Granted: 1961-05-23
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Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Henry W Newson
- 👤 Eugene P Wigner
- 👤 Elbert P Epler
- 👤 Thomas E Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:48
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/36; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A CONTROL SYSTEM FOR HIGH FLUX REACTOR COMPRISING A NEUTRON INDUCED CHAIN REACTING PILE HAVING AN ACTIVE PORTION, A NEUTRON ABSORBING CONTROL ROD DISPOSED FOR MOVEMENT WITHIN THE PILE TO AFFECT SMALL CHANGES IN THE REACTOR ACTIVITY, A NEUTRON ABSORBING SHIM ROD DISPOSED FOR MOVEMENT WITHIN THE ACTIVE PORTION OF THE PILE TO AFFECT SUBSTANTIALLY GREATER CHANGES IN THE REACTOR ACTIVITY THAN SAID CONTROL ROD, ELECTROMAGNET CLUTCH MEANS SUSPENDING THE SHIM ROD IN THE REACTOR, MOTOR DRIVING MEANS FOR INSERTING AND REMOVING THE SHIM ROD FROM THE ACTIVE PORTION OF THE PILE, A SOURCE OF ELECTRICAL POWER, A NEUTRON LEVEL DETECTOR DISPOSED WITHIN THE PILE AND PRODUCING A SIGNAL PROPORTIONAL TO THE NEUTRON LEVEL, MEANS RESPONSIVE TO SAID NEUTRON LEVEL FOR PRODUCING A SIGNAL PRO-
Claim 2
Dependent Claim
125 words
A CONTROL SYSTEM FOR HIGH FLUX REACTOR COMPRISING A NEUTRON INDUCED CHAIN REACTING PILE HAVING AN ACTIVE PORTION, A NEUTRON ABSORBING CONTROL ROD DISPOSED FOR MOVEMENT WITHIN THE PILE TO AFFECT SMALL CHANGES IN THE REACTOR ACTIVITY, A NEUTRON ABSORBING SHIM ROD DISPOSED FOR MOVEMENT WITHIN THE ACTIVE PORTION OF THE PILE TO AFFECT SUBSTANTIALLY GREATER CHANGES IN THE REACTOR ACTIVITY THAN SAID CONTROL ROD, ELECTROMAGNET CLUTCH MEANS SUSPENDING THE SHIM ROD IN THE REACTOR, MOTOR DRIVING MEANS FOR INSERTING AND REMOVING THE SHIM ROD FROM THE ACTIVE PORTION OF THE PILE, A SOURCE OF ELECTRICAL POWER, A NEUTRON LEVEL DETECTOR DISPOSED WITHIN THE PILE AND PRODUCING A SIGNAL PROPORTIONAL TO THE NEUTRON LEVEL, MEANS RESPONSIVE TO SAID NEUTRON LEVEL FOR PRODUCING A SIGNAL PRO-
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |