US3159012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive transpiration cooling system
Assignee: General Electric Co
•
Filing: 1960-11-25
•
Granted: 1964-12-01
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Brunner Mathias John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; B; B64; B64G; B64G1/00; B64G1/22; B64G1/46; B64G1/50; B64G1/52; B64G1/58; F05; F05D; F05D2260/00; F05D2260/20; F05D2260/203; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A HEAT-RESISTANT STRUCTURE COMPRISING A POROUS SHEET HAVING AN OUTER SURFACE ADAPTED TO BE EXPOSED TO THE EFFECTS OF HEAT AND AN INNER SURFACE, AND A SOLID COOLANT WHICH WILL EVOLVE HYDROGEN BY PYROLYSIS IN CONTACT WITH SAID INNER SURFACE OF SAID POROUS SHEET, SAID SOLID COOLANT BEING COMPRISED OF A MATERIAL CAPABLE OF CHANGING IN FORM
Claim 2
Dependent Claim
57 words
A HEAT-RESISTANT STRUCTURE COMPRISING A POROUS SHEET HAVING AN OUTER SURFACE ADAPTED TO BE EXPOSED TO THE EFFECTS OF HEAT AND AN INNER SURFACE, AND A SOLID COOLANT WHICH WILL EVOLVE HYDROGEN BY PYROLYSIS IN CONTACT WITH SAID INNER SURFACE OF SAID POROUS SHEET, SAID SOLID COOLANT BEING COMPRISED OF A MATERIAL CAPABLE OF CHANGING IN FORM
References Cited (Backward Citations)
US1894775A
Cited
US2096539A
Cited
US2279774A
Cited
US2335930A
Cited
US2629907A
Cited
US2737461A
Cited
US2688563A
Cited
US2697058A
Cited
US2731432A
Cited
US2952561A
Cited
US2946702A
Cited
US2941759A
Cited
US3016309A
Cited
US2959938A
Cited
US3011989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |