US3212864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation
Assignee: General Electric Co
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Filing: 1960-04-11
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Granted: 1965-10-19
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Rhudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:23
CPC Classifications
G; G21; G21C; G21C11/00; G21C11/08; G21C11/083; G21C11/085; F; F16; F16L; F16L59/00; F16L59/02; F16L59/029; F16L59/08; F17; F17C; F17C13/00; F17C13/001; F25; F25D; F25D23/00; F25D23/06; H; H02; H02K; H02K3/00; H02K3/32; H02K44/00; H02K44/02; H02K44/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12326; Y10T428/12347; Y10T428/12361; Y10T428/12444; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
METALLIC INSULATION ADAPTED FOR IMPEDING TRANSFER OF HEAT FROM ONE BODY TO ANOTHER AT A LOWER TEMPERATURE WHILE SIMULTANEOUSLY BEING CAPABLE OF CARRYING THE MAXIMUM LOAD PRESENTED BY EITHER ONE OF SAID BODIES COMPRISING A PLURALITY OF LAYERS OF INSULATION IN CONTACT WITH THE WALLS OF SAID BODIES, EACH SAID LAYER COMPRISING A PLURALITY OF INTERWOVEN LONGITUDINAL AND TRANSVERSE METAL STRANDS OF HIGH THERMAL RESISTIVITY CAPABLE OF WITHSTANDING LOADS IN COMPRESSION EXERTED BY SAID BODIES, EACH OF SAID STRANDS HAVING FLOATING ENDS, AND A METAL SHEET OF HIGH THERMAL RESISTIVITY AND LOW SURFACE EMISSIVITY SEPARATING SAID STRANDS IN EACH LAYER BUT PLACED IN CONTACT WITH SPACED POINTS THEREON FOR FORMING A PLURALITY OF CELLS EFFECTIVE IN IMPEDING THE TRANSFER OF HEAT BETWEEN SAID BODIES, SAID METAL STRANDS AND SAID SHEET IN EACH LAYER BEING PLACED IN OVERLAPPING RELATIONSHIP TO PROVIDE INDEPENDENT MOVEMENT THEREBETWEEN WHEN SUBJECTED TO THE EXPANSIVE FORCES CREATED BY HEAT BETWEEN ADJACENT LAYERS THEREBY PERMITTING DIFFERENTIAL EXPANSION OF SAID LAYERS.
Claim 2
Dependent Claim
162 words
METALLIC INSULATION ADAPTED FOR IMPEDING TRANSFER OF HEAT FROM ONE BODY TO ANOTHER AT A LOWER TEMPERATURE WHILE SIMULTANEOUSLY BEING CAPABLE OF CARRYING THE MAXIMUM LOAD PRESENTED BY EITHER ONE OF SAID BODIES COMPRISING A PLURALITY OF LAYERS OF INSULATION IN CONTACT WITH THE WALLS OF SAID BODIES, EACH SAID LAYER COMPRISING A PLURALITY OF INTERWOVEN LONGITUDINAL AND TRANSVERSE METAL STRANDS OF HIGH THERMAL RESISTIVITY CAPABLE OF WITHSTANDING LOADS IN COMPRESSION EXERTED BY SAID BODIES, EACH OF SAID STRANDS HAVING FLOATING ENDS, AND A METAL SHEET OF HIGH THERMAL RESISTIVITY AND LOW SURFACE EMISSIVITY SEPARATING SAID STRANDS IN EACH LAYER BUT PLACED IN CONTACT WITH SPACED POINTS THEREON FOR FORMING A PLURALITY OF CELLS EFFECTIVE IN IMPEDING THE TRANSFER OF HEAT BETWEEN SAID BODIES, SAID METAL STRANDS AND SAID SHEET IN EACH LAYER BEING PLACED IN OVERLAPPING RELATIONSHIP TO PROVIDE INDEPENDENT MOVEMENT THEREBETWEEN WHEN SUBJECTED TO THE EXPANSIVE FORCES CREATED BY HEAT BETWEEN ADJACENT LAYERS THEREBY PERMITTING DIFFERENTIAL EXPANSION OF SAID LAYERS.
References Cited (Backward Citations)
US290831A
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US844380A
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US2180373A
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US2389238A
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US2335836A
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US2814717A
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US2911038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |