Patent US3399554A successfully refreshed from Google Patents.
US3255086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control system
Assignee: Individual
•
Filing: 1959-10-21
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Granted: 1966-06-07
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Expires: 1979-10-21
Abstract
No abstract record available.
Inventors
- 👤 Hitchcock Anthony John Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:31
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A NUCLEAR REACTOR, THE COMBINATION OF A NUCLEAR REACTOR CORE STRUCTURE HAVING A CHANNEL THERETHROUGH AND A CONTROL ROD INSERTED FROM ONE END INTO THE CHANNEL AND EXTENDING MOVABLY WITHIN SAID CHANNEL TO EFFECT CONTROL OF THE NUCLEAR REACTOR DURING OPERATION THEREOF, THE CONTROL ROD BEING CONSTRUCTED OF A PLURALITY OF PARTS JOINED END TO END, THE NEUTRON ABSORBING CAPACITY OF THE PARTS INCREASING FROM ONE PART TO THE NEXT IN PASSING ALONG THE CONTROL ROD FROM THE END OF THE CONTROL ROD AT WHICH THE CONTROL ROD IS INSERTED INTO THE CHANNEL, THE SAID PARTS IS THEIR ORDER OF INCREASING CAPACITY COMPRISING A THIN-
Claim 2
Dependent Claim
106 words
IN A NUCLEAR REACTOR, THE COMBINATION OF A NUCLEAR REACTOR CORE STRUCTURE HAVING A CHANNEL THERETHROUGH AND A CONTROL ROD INSERTED FROM ONE END INTO THE CHANNEL AND EXTENDING MOVABLY WITHIN SAID CHANNEL TO EFFECT CONTROL OF THE NUCLEAR REACTOR DURING OPERATION THEREOF, THE CONTROL ROD BEING CONSTRUCTED OF A PLURALITY OF PARTS JOINED END TO END, THE NEUTRON ABSORBING CAPACITY OF THE PARTS INCREASING FROM ONE PART TO THE NEXT IN PASSING ALONG THE CONTROL ROD FROM THE END OF THE CONTROL ROD AT WHICH THE CONTROL ROD IS INSERTED INTO THE CHANNEL, THE SAID PARTS IS THEIR ORDER OF INCREASING CAPACITY COMPRISING A THIN-
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |