Patent US3084252A successfully refreshed from Google Patents.
US3084252A
Expired / Lapsed
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Monitoring of fission products in a gaseous stream, particularly for detecting burst slugs in nuclear reactors
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1959-06-03
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Granted: 1963-04-02
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Expires: 1979-06-03
Abstract
No abstract record available.
Inventors
- 👤 Goupil Jean
- 👤 Graftieaux Jean
- 👤 Megy Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:20
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G21C17/044; G21C17/045; G01; G01T; G01T7/00; G01T7/02; G01T7/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
DEVICE FOR DETERMINING THE SHORT-LIVED FISSION PRODUCTS CONTENT IN A GASEOUS STREAM, COMPRISING A DECAY CHAMBER, A METALLIC DRUM, A COLLECTING CONDUIT HAVING A WALL SECTION THEREOF FORMED BY A PORTION OF THE PERIPHERY OF SAID DRUM, MEANS FOR PASSING SAID STREAM SUCCESSIVELY THROUGH SAID DECAY CHAMBER AND SAID COLLECTING CONDUIT, MEANS FOR PRODUCING, AT LEAST DURING DETERMINED COLLECTING PERIODS, IN SAID CONDUIT AN ELECTRIC FIELD WITH A VOLTAGE GRADIENT DIRECTED TOWARDS SAID PORTION, A RADIATION DETECTOR LOCATED ADJACENT TO THE PERIPHERY OF SAID DRUM OUTSIDE SAID CONDUIT AND MEANS FOR BRINGING SUCCESSIVE AREAS OF SAID DRUM TO CONSTITUTE THE PORTION OF SAID DRUM FORMING SAID WALL SECTION DURING ONE OF SAID COLLECTING PERIODS AND IN FRONT OF SAID DETECTOR DURING SUBSEQUENT MEASURING PERIODS.
Claim 2
Dependent Claim
124 words
DEVICE FOR DETERMINING THE SHORT-LIVED FISSION PRODUCTS CONTENT IN A GASEOUS STREAM, COMPRISING A DECAY CHAMBER, A METALLIC DRUM, A COLLECTING CONDUIT HAVING A WALL SECTION THEREOF FORMED BY A PORTION OF THE PERIPHERY OF SAID DRUM, MEANS FOR PASSING SAID STREAM SUCCESSIVELY THROUGH SAID DECAY CHAMBER AND SAID COLLECTING CONDUIT, MEANS FOR PRODUCING, AT LEAST DURING DETERMINED COLLECTING PERIODS, IN SAID CONDUIT AN ELECTRIC FIELD WITH A VOLTAGE GRADIENT DIRECTED TOWARDS SAID PORTION, A RADIATION DETECTOR LOCATED ADJACENT TO THE PERIPHERY OF SAID DRUM OUTSIDE SAID CONDUIT AND MEANS FOR BRINGING SUCCESSIVE AREAS OF SAID DRUM TO CONSTITUTE THE PORTION OF SAID DRUM FORMING SAID WALL SECTION DURING ONE OF SAID COLLECTING PERIODS AND IN FRONT OF SAID DETECTOR DURING SUBSEQUENT MEASURING PERIODS.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |