Patent US3141852A successfully refreshed from Google Patents.
US3141852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear fuels
Assignee: Compagnie de Saint Gobain SA
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Filing: 1958-11-17
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Granted: 1964-07-21
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Expires: 1978-11-17
Abstract
No abstract record available.
Inventors
- 👤 Dressler Jacques Henri
- 👤 Lajarte Stephane Joseph Duf De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:37
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
ATOMIC FUEL COMPRISING GLASS BEADS OF VITREOUS EXTERIOR AND DIAMETERS BETWEEN A FEW MICRONS AND A HUNDRED MICRONS, CONTAINING AT LEAST ONE COMPONENT SELECTED FROM THE GROUP CONSISTING OF FISSIONABLE AND FERTILE ELEMENTS AND COMPOUNDS.
Claim 2
Dependent Claim
35 words
ATOMIC FUEL COMPRISING GLASS BEADS OF VITREOUS EXTERIOR AND DIAMETERS BETWEEN A FEW MICRONS AND A HUNDRED MICRONS, CONTAINING AT LEAST ONE COMPONENT SELECTED FROM THE GROUP CONSISTING OF FISSIONABLE AND FERTILE ELEMENTS AND COMPOUNDS.
Claim 3
Independent Claim
94 words
A METHOD OF MAKING GLASS COVERED ATOMIC FUEL ADAPTED TO USE, INTER ALIA, IN NUCLEAR REACTORS OF HOMOGENEOUS TYPE, THAT COMPRISES VITRIFYING GLASS MAKING MATERIALS CONTAINING A METAL OXIDE OF AT LEAST ONE OF THE CLASS OF FISSIONABLE AND FERTILE ELEMENTS, AND SUBSTANTIALLY FREE OF ISOTOPES PRESENTING A LARGE SECTION OF CAPTURE TO NEUTRONS, FINELY DIVIDING THE VITRIFIED PRODUCT TO DIAMETERS BETWEEN A FEW MICRONS AND A HUNDRED MICRONS ROUNDING THE PARTICLES AND PROVIDING THEM WITH A VITREOUS EXTERIOR BY SUBJECTING THEM IN MOTION TO SOFTENING TEMPERATURE AND TIME, AND COOLING THE ROUNDED PARTICLES.
Claim 4
Independent Claim
94 words
A METHOD OF MAKING GLASS COVERED ATOMIC FUEL ADAPTED TO USE, INTER ALIA, IN NUCLEAR REACTORS OF HOMOGENEOUS TYPE, THAT COMPRISES VITRIFYING GLASS MAKING MATERIALS CONTAINING A METAL OXIDE OF AT LEAST ONE OF THE CLASS OF FISSIONABLE AND FERTILE ELEMENTS, AND SUBSTANTIALLY FREE OF ISOTOPES PRESENTING A LARGE SECTION OF CAPTURE TO NEUTRONS, FINELY DIVIDING THE VITRIFIED PRODUCT TO DIAMETERS BETWEEN A FEW MICRONS AND A HUNDRED MICRONS ROUNDING THE PARTICLES AND PROVIDING THEM WITH A VITREOUS EXTERIOR BY SUBJECTING THEM IN MOTION TO SOFTENING TEMPERATURE AND TIME, AND COOLING THE ROUNDED PARTICLES.
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |