US3018374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of and means for assaying material having a fissionable component
Assignee: FLOYD V RICHARDSON
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Filing: 1958-07-18
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Granted: 1962-01-23
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Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Ray A Pritchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN APARATUS FOR DETERMINING THE URANIUM CONTENT OF URANIUM ORE, INCLUDING AS NEUTRON SOURCE SURROUNDED BY A THERMAL SHIELD WHICH IS FURTHER ENCLOSED IN CADMIUM-LOADED LIQUID PHOSPHOR, MEANS FOR MOVING AN ORE SAMPLE PAST SAID NEUTRON SOURCE IN CLOSE PROXIMITY THERETO WHEREBY SAID ORE IS BOMBARDED BY THERMAL NEUTRONS TO CAUSE FISSION OF THE U235 ISOTOPES OF SIAD ORE, THE FISSION NEUTRONS PRODUCING TWIN PULSES, THE FIRST OF WHICH IS DUE TO RECOIL PROTONS AND FISSION GAMMA RADIATION, AND THE SECOND OF WHICH IS DUE TO THE GAMMA RAYS EMMITED BY THE CADMIUM NUCLEUS WHICH CAPTURES THE NEUTRON AFTER IT
Claim 2
Dependent Claim
100 words
AN APARATUS FOR DETERMINING THE URANIUM CONTENT OF URANIUM ORE, INCLUDING AS NEUTRON SOURCE SURROUNDED BY A THERMAL SHIELD WHICH IS FURTHER ENCLOSED IN CADMIUM-LOADED LIQUID PHOSPHOR, MEANS FOR MOVING AN ORE SAMPLE PAST SAID NEUTRON SOURCE IN CLOSE PROXIMITY THERETO WHEREBY SAID ORE IS BOMBARDED BY THERMAL NEUTRONS TO CAUSE FISSION OF THE U235 ISOTOPES OF SIAD ORE, THE FISSION NEUTRONS PRODUCING TWIN PULSES, THE FIRST OF WHICH IS DUE TO RECOIL PROTONS AND FISSION GAMMA RADIATION, AND THE SECOND OF WHICH IS DUE TO THE GAMMA RAYS EMMITED BY THE CADMIUM NUCLEUS WHICH CAPTURES THE NEUTRON AFTER IT
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |