US2954473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cerenkov radiation fission product detector
Assignee: Individual
•
Filing: 1957-05-09
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Granted: 1960-09-27
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Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 John I Hoover
- 👤 Clifford M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:38
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/22; G21; G21C; G21C17/00; G21C17/02; G21C17/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF DETECTING FISSION PRODUCT CONTAMINANTS IN THE LIQUID COOLANT OF A NUCLEAR REACTOR WHICH COMPRISES OBTAINING A SAMPLE OF THE LIQUID COOLANT, PLACING SAID SAMPLE IN A CONTAINER POSITIONED OVER THE WINDOW END OF A PHOTOMULTIPLIER TUBE THEREBY EXPOSING THE PHOTOCATHODE OF SAID PHOTOMULTIPLIER TUBE TO SAID SAMPLE, AND MEASURING THE PULSES OF SAID PHOTOMULTIPLIER TUBE RESULTING FROM CERENKOV RADIATION PRODUCED BY HIGH ENERGY ELECTRONS EMITTED BY CONTAMINANTS IN SAID SAMPLE.
Claim 2
Independent Claim
73 words
THE METHOD OF DETECTING FISSION PRODUCT CONTAMINANTS IN THE LIQUID COOLANT OF A NUCLEAR REACTOR WHICH COMPRISES OBTAINING A SAMPLE OF THE LIQUID COOLANT, PLACING SAID SAMPLE IN A CONTAINER POSITIONED OVER THE WINDOW END OF A PHOTOMULTIPLIER TUBE THEREBY EXPOSING THE PHOTOCATHODE OF SAID PHOTOMULTIPLIER TUBE TO SAID SAMPLE, AND MEASURING THE PULSES OF SAID PHOTOMULTIPLIER TUBE RESULTING FROM CERENKOV RADIATION PRODUCED BY HIGH ENERGY ELECTRONS EMITTED BY CONTAMINANTS IN SAID SAMPLE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |