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US3084252A Expired / Lapsed US ⏱️ 0.0 years remaining

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
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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 05:32
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)

US2576616A Cited
US2826076A Cited
US2953687A Cited

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

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