US3117625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling material for heat exchangers
Assignee: Stanray Corp
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Filing: 1961-03-16
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Granted: 1964-01-14
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Fraenkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:00
CPC Classifications
G; G21; G21F; G21F5/00; G21F5/005; G21F5/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE COMBINATION WITH A HOLLOW CASK HAVING A SPENT FUEL ELEMENT THEREIN, OF A HEAT TRANSFER MEDIUM COMPRISING SMALL CONVERTIBLE HOLLOW GLOBULE-LIKE GEOMETRICAL STRUCTURES ENCLOSING THEREIN GASEOUS ATMOSPHERE, SAID STRUCTURES BEING REASONABLY SMOOTH IN ALL EXTERNAL SURFACES, THE STRUCTURE WALLS BEING OF RELATIVELY SOFT AND DUCTILE METALLIC MATERIAL SO THAT WHEN SUBJECTED TO A PREDETERMINED DEGREE OF HEAT WILL CAUSE INTERNAL EXPANDING PRESSURE OF SAID GASEOUS ATMOSPHERE SUFFICIENT TO CAUSE SAID STRUCTURE WALLS TO RUPTURE AND BE CONVERTED THEREBY INTO AN INTERWOVEN MESH, THEREBY GREATLY INCREASING THE SURFACE-TO-VOLUME RATIO THEREOF AND FACILIATING HEAT TRANSMISSION.
Claim 2
Dependent Claim
94 words
THE COMBINATION WITH A HOLLOW CASK HAVING A SPENT FUEL ELEMENT THEREIN, OF A HEAT TRANSFER MEDIUM COMPRISING SMALL CONVERTIBLE HOLLOW GLOBULE-LIKE GEOMETRICAL STRUCTURES ENCLOSING THEREIN GASEOUS ATMOSPHERE, SAID STRUCTURES BEING REASONABLY SMOOTH IN ALL EXTERNAL SURFACES, THE STRUCTURE WALLS BEING OF RELATIVELY SOFT AND DUCTILE METALLIC MATERIAL SO THAT WHEN SUBJECTED TO A PREDETERMINED DEGREE OF HEAT WILL CAUSE INTERNAL EXPANDING PRESSURE OF SAID GASEOUS ATMOSPHERE SUFFICIENT TO CAUSE SAID STRUCTURE WALLS TO RUPTURE AND BE CONVERTED THEREBY INTO AN INTERWOVEN MESH, THEREBY GREATLY INCREASING THE SURFACE-TO-VOLUME RATIO THEREOF AND FACILIATING HEAT TRANSMISSION.
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |