Patent US3167159A successfully refreshed from Google Patents.
US3167159A
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Insulating structures with variable thermal conductivity and method of evacuation
Assignee: General Electric Co
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Filing: 1959-07-30
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Granted: 1965-01-26
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Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Harold P Bovenkerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:05
CPC Classifications
F; F28; F28F; F28F13/00; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; E04B1/803; F28F2013/005; F28F2013/008; F28F2270/00; Y; Y02; Y02A; Y02A30/00; Y02A30/24; Y02A30/242; Y02B; Y02B80/00; Y02B80/10; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/231
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
AN INSULATING STRUCTURE INCLUDING A PAIR OF WALLS DEFINING A NARROW SPACE THEREBETWEEN, THE SPACE BETWEEN SAID WALLS BEING EVACUATED, A FILLER MATERIAL IN SAID SPACE, SAID FILLER MATERIAL COMPRISING A BODY OF FIBER GLASS STRANDS POSITIONED IN PLANES GENERALLY PARALLEL TO THE SAID WALLS OF SAID STRUCTURE AND A HYDRIDE IN COMMUNICATION WITH SAID SPACE ADAPTED TO RELEASE HYDROGEN UPON A PREDETERMINED TEMPERATURE RISE TO VARY THE CONDUCTIVITY THROUGH SAID PANEL.
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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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |