Patent US3606667A successfully refreshed from Google Patents.
US3606667A
Expired / Lapsed
US
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Method of fabricating fiber-reinforced articles
Assignee: RTX Corp
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Filing: 1968-09-27
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Granted: 1971-09-21
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Expires: 1988-09-27
Abstract
Abstract FILMENTS CHARACTERIZED BY HIGH STRENGTH, HIGH RIGIDITY, AND HIGH RESISTANCE TO DETERIORATION AT ELEVATED TEMPERATURES ARE UTILIZED IN A PROCESS OF FABRICATING A MULTILAYER FIBER-REINFORCED METAL MATRIX COMPOSITE BY WINDING A FILAMENT ON A FOIL-COVERED, SPRING-LOADED MANDREL, PREHEATING THE MANDREL, PLASMA ARC SPRAYING METAL MATRIX MATERIAL IN COALESCENT FORM ONTO THE FILAMENT WINDINGS SO AS TO FORM A MONOLAYER TAPE, AND DIFFUSION BONDING A PLURALITY OF SUCH TAPES TOGETHER IN LAYERS, THE PROCESS BEING CHARACTERIZED BY A HIGH DEGREE OF REPRODUCIBILITY.
Inventors
- 👤 Kenneth G Kreider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:58
CPC Classifications
C; C22; C22C; C22C49/00; C22C49/02; C22C49/04; C22C47/00; C22C47/02; C22C47/06; C22C47/062; C22C47/068; C22C47/16; C22C47/18; C23; C23C; C23C4/00; C23C4/12; C23C4/134; C23C4/18; C23C4/185; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801; Y10T29/4981
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |