US3179549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulating panel and method of making the same
Assignee: General Electric Co
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Filing: 1964-06-10
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Granted: 1965-04-20
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Strong
- 👤 Francis P Bundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:41
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; E04B1/803; F16L59/029; F17; F17C; F17C13/00; F17C13/001; F17C2203/00; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; Y; Y02; Y02A; Y02A30/00; Y02A30/24; Y02A30/242; Y02B; Y02B80/00; Y02B80/10; Y10; Y10S; Y10S220/00; Y10S220/918; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T428/00; Y10T428/23; Y10T428/231; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A THERMAL INSULATING STRUCTURE OF THE VACUUM TYPE HAVING A THERMAL CONDUCTIVITY OF LESS THAN ABOUT 15 MICROCAL./CM.*C. SEC. CONSISTING ESSENTIALLY OF: (A) A HERMETICALLY CLOSED CONTAINER HAVING THE FORM OF A PANEL WITH A THICKNESS LESS THAN ABOUT ONETWENTIETH OF THE SHORT DIMENSION OF SAID CONTAINER VIEWED IN PLAN AND HAVING AN INTERNAL PRESSURE OF LESS THAN ABOUT 100 MICRONS OF MERCURY, (1) SAID CONTAINER BEING IMPERMEABLE TO DIFFUSION BY FLUID AMBIENT THERETO, (B) A THIN FLEXIBLE FIRST WALL AND A SECOND WALL IN SPACED RELATION THEREWITH, (1) SAID WALLS EXTENDING TRANSVERSE TO THE DIRECTION OF HEAT FLOW AND FORMING TWO WALLS OF SAID CON TAINER, AND (C) A FILEMENTOUS FILLER DISPOSED BETWEEN SAID FIRST AND SECOND WALLS, (1) SAID FILLER HAVING THE CAPACITY TO SUPPORT SAID WALLS IN FIXED SPACE RELATIONSHIP UNDER A UNIFORMLY APPLIED LOAD OF AT LEAST ABOUT TWO THOU-
Claim 2
Dependent Claim
144 words
A THERMAL INSULATING STRUCTURE OF THE VACUUM TYPE HAVING A THERMAL CONDUCTIVITY OF LESS THAN ABOUT 15 MICROCAL./CM.*C. SEC. CONSISTING ESSENTIALLY OF: (A) A HERMETICALLY CLOSED CONTAINER HAVING THE FORM OF A PANEL WITH A THICKNESS LESS THAN ABOUT ONETWENTIETH OF THE SHORT DIMENSION OF SAID CONTAINER VIEWED IN PLAN AND HAVING AN INTERNAL PRESSURE OF LESS THAN ABOUT 100 MICRONS OF MERCURY, (1) SAID CONTAINER BEING IMPERMEABLE TO DIFFUSION BY FLUID AMBIENT THERETO, (B) A THIN FLEXIBLE FIRST WALL AND A SECOND WALL IN SPACED RELATION THEREWITH, (1) SAID WALLS EXTENDING TRANSVERSE TO THE DIRECTION OF HEAT FLOW AND FORMING TWO WALLS OF SAID CON TAINER, AND (C) A FILEMENTOUS FILLER DISPOSED BETWEEN SAID FIRST AND SECOND WALLS, (1) SAID FILLER HAVING THE CAPACITY TO SUPPORT SAID WALLS IN FIXED SPACE RELATIONSHIP UNDER A UNIFORMLY APPLIED LOAD OF AT LEAST ABOUT TWO THOU-
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |