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US3652744A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making nuclear fuel elements

Assignee: United States Atomic Energy Commission
•
Filing: 1969-11-19
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Granted: 1972-03-28
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Expires: 1989-11-19
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Abstract

Abstract NUCLEAR FUEL ELEMENTS WHICH CONTAIN DIFFERENT AMOUNTS OF NUCLEAR FUEL IN THE FORM OF MINUTE PARTICULATE NUCLEAR FUEL CORES HAVING FISSION PRODUCT-RETENTIVE COATINGS ARE MADE USING CASINGS WHICH HAVE THE SAM E AMOUNT OF FUEL CHAMBER VOLUME FOR HOLDING THE NUCLEAR FUEL. FIRST AND SECOND GROUPS OF COATED FUEL PARTICLES ARE USED WHICH VARY FROM EACH OTHER EITHER IN CORE COMPOSITION, CORE SIZE, OR COATING THICKNESS AND THEREBY CONTAIN DIFFERENT AMOUNTS OF NUCLEAR FUEL PER UNIT VOLUME OF COATED PARTICLES. THUS, DIFFERENT FUEL ELEMENTS CONTAIN DIFFERENT AMOUNTS OF NUCLEAR FUEL AS A RESULT OF CONTAINING DIFFERENT RELATIVE AMOUNTS OF COATED NUCLEAR FUEL PARTICLES FROM THE FIRST AND SECOND GROUPS.

Inventors

  • 👤 Richard C Dahlberg
  • 👤 Walter V Goeddel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:14
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/005; Y; Y02; Y02E; Y02E30/00; Y02E30/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1975-03-28 1975-09-27 1976-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-03-28 1979-09-27 1980-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-03-28 1983-09-27 1984-03-28 $7700.00 Window Closed / Lapsed

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