US3210233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat insulating and ablative structure and method of making same
Assignee: McDonnell Aircraft Corp
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Filing: 1962-08-27
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Granted: 1965-10-05
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Donald L Kummer
- 👤 Marvin S Hochberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/029; B; B32; B32B; B32B3/00; B32B3/10; B32B3/12; Y; Y10; Y10S; Y10S264/00; Y10S264/06; Y10S428/00; Y10S428/92; Y10S60/00; Y10S60/909; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A THERMAL INSULATING AND ABLATIVE HEAT SHIELD STRUCTURE FOR RE-ENTRY SPACE VEHICLES COMPRISING A RIGID SUBSTRATE, A RIGID NON-METALLIC HONEYCOMB MATRIX BONDED TO THE SUBSTRATE AND A HEAT INSULATING AND ABLATIVE MATERIAL POSITIONED IN THE CELLS OF THE HONEYCOMB, THE HONEYCOMB CELLS BEING OPEN TO A HEAT RECEIVING SURFACE AND THE CELL END WALLS AND SAID ABLATIVE MATERIAL RECEIVING RE-ENTRY HEAT DIRECTLY, SAID CELLS HOLDING THE ABLATIVE MATERIAL AND MAINTAINING IT IN SUBSTANTIALLY ITS ORIGINAL SHAPE WHILE IT IS CHARRED DURING THE HEAT OF RE-ENTRY AND RETAINING THE CHAR LAYER FORMED ON THE OUTER SURFACE OF THE HEAT SHIELD DURING RE-ENTRY.
Claim 2
Dependent Claim
101 words
A THERMAL INSULATING AND ABLATIVE HEAT SHIELD STRUCTURE FOR RE-ENTRY SPACE VEHICLES COMPRISING A RIGID SUBSTRATE, A RIGID NON-METALLIC HONEYCOMB MATRIX BONDED TO THE SUBSTRATE AND A HEAT INSULATING AND ABLATIVE MATERIAL POSITIONED IN THE CELLS OF THE HONEYCOMB, THE HONEYCOMB CELLS BEING OPEN TO A HEAT RECEIVING SURFACE AND THE CELL END WALLS AND SAID ABLATIVE MATERIAL RECEIVING RE-ENTRY HEAT DIRECTLY, SAID CELLS HOLDING THE ABLATIVE MATERIAL AND MAINTAINING IT IN SUBSTANTIALLY ITS ORIGINAL SHAPE WHILE IT IS CHARRED DURING THE HEAT OF RE-ENTRY AND RETAINING THE CHAR LAYER FORMED ON THE OUTER SURFACE OF THE HEAT SHIELD DURING RE-ENTRY.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |