Patent US2592115A successfully refreshed from Google Patents.
US2592115A
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US
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Neutron source
Assignee: United States Radium Corp
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Filing: 1948-07-03
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Granted: 1952-04-08
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Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 Clayton C Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:48
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12097; Y10T428/12181; Y10T428/12493; Y10T428/12729; Y10T428/12771
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A NEUTRON SOURCE COMPRISING A MASS OF MINUTE BERYLLIUM METAL PARTICLES EACH OF WHICH IS SUBSTANTIALLY COATED WITH RADIUM CARBONATE CRYSTALS IN FIRM ADHERENCE TO THE SURFACE OF SAID PARTICLES, INTIMATELY MIXED WITH AN APPROXIMATELY EQUAL WEIGHT OF UNCOATED BERYLLIUM METAL PARTICLES.
Claim 2
Dependent Claim
92 words
A NEUTRON SOURCE INCLUDING A MASS OF FINELY DIVIDED RADIOACTIVE SUBSTANCE INTIMATELY DISPERSED AMONG PARTICLES OF BERYLLIUM, SAID SUBSTANCE COMPRISING A SALT OF A METAL SELECTED FROM THE RADIOACTIVE GROUP WHICH INCLUDES RADIUM, ACTINIUM-X, THORIUM-X AND MESOTHORIUM, THE PARTICLES OF SAID RADIOACTIVE SUBSTANCE BEING OF A SIZE NOT SUBSTANTIALLY LARGER THAN TWO MICRONS AND THE PARTICLES OF SAID BERYLLIUM BEING NOT SUBSTANTIALLY LARGER THAN FORTY MICRONS, AND A JACKET COMPLETELY SURROUNDING SAID MASS, SAID JACKET BEING FORMED OF A NON-RADIOACTIVE MATERIAL WHICH EMITS NEUTRONS WHEN EXPOSED TO THE RADIOACTIVITY OF SAID SUBSTANCE.
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) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |