US3228847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor control system
Assignee: Individual
•
Filing: 1963-01-29
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Granted: 1966-01-11
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Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Parkinson Thomas Franklin
- 👤 Dalton George Ronald
- 👤 Blair Donald James
- 👤 Driscoll Michael John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:52
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/22; G21C7/005; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A NEUTRONIC REACTOR HAVING AN ACTIVE PORTION ADAPTED TO MAINTAIN A SELF-SUSTAINING NEUTRONIC REACTION, THE COMBINATION COMPRISING A CONTROL TUBE EXTENDING INTO THE ACTIVE PORTION, FLUID-MOVABLE NEUTRONIC REACTING PARTICLES ARRANGED IN SAID TUBE, THE MEAN DIAMETERS OF SAID PARTICLES BEING OF THE ORDER OF LESS THAN ONE TENTH OF THE MEAN DIAMETER OF SAID TUBE, AND MEANS FOR PRODUCING A FLOW OF FLUID THROUGH SAID TUBE AT SUCH RATES WHEREBY SAID PARTICLES CAN BE SUSPENDED ALONG THE LENGTH OF SAID TUBE IN SUBSTANTIALLY NON-CONTACTING FASION, AND WHEREBY AN ALMOST CONTINUAL VARIATION IN THE DENSITY OF SAID PARTICLES CAN BE OBTAINED ALONG THE LENGTH OF SAID TUBE IN THE ACTIVE PORTION.
Claim 2
Dependent Claim
111 words
IN A NEUTRONIC REACTOR HAVING AN ACTIVE PORTION ADAPTED TO MAINTAIN A SELF-SUSTAINING NEUTRONIC REACTION, THE COMBINATION COMPRISING A CONTROL TUBE EXTENDING INTO THE ACTIVE PORTION, FLUID-MOVABLE NEUTRONIC REACTING PARTICLES ARRANGED IN SAID TUBE, THE MEAN DIAMETERS OF SAID PARTICLES BEING OF THE ORDER OF LESS THAN ONE TENTH OF THE MEAN DIAMETER OF SAID TUBE, AND MEANS FOR PRODUCING A FLOW OF FLUID THROUGH SAID TUBE AT SUCH RATES WHEREBY SAID PARTICLES CAN BE SUSPENDED ALONG THE LENGTH OF SAID TUBE IN SUBSTANTIALLY NON-CONTACTING FASION, AND WHEREBY AN ALMOST CONTINUAL VARIATION IN THE DENSITY OF SAID PARTICLES CAN BE OBTAINED ALONG THE LENGTH OF SAID TUBE IN THE ACTIVE PORTION.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |