Patent US3570829A successfully refreshed from Google Patents.
US3570829A
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US
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High strength metal filaments and the process and apparatus for forming the same
Assignee: WILHELM HERMMULLER & CO KG
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Filing: 1968-08-26
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Granted: 1971-03-16
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Expires: 1988-08-26
Abstract
Abstract AN APPARATUS FOR FORMING FROM THE GAS PHASE OF A CARBONYL A METAL FILAMENT OF HAIR-LIKE CROSS-SECTION. A CHAMBER INCLUDING A DISCHARGE FOR CARBONYL VAPOR AND A HEATING SURFACE SPACED FROM THE DISCHARGE PROVIDING A REACTION ZONE IN WHICH EXISTS A TEMPERATURE GRADIENT THROUGH WHICH ATOMS OF THE DECOMPOSED CARBONYL TRAVEL. THE APPARATUS FURTHER INCLUDING MEANS FOR CREATING A MAGNETIC FIELD WITHIN THE CHAMBER FOR STABILIZING THE CRYSTALLITE CHAIN-LIKE AGGREGATE AS IT FORMS.
Inventors
- 👤 Hermann J Schladitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:49
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/20; B; B22; B22F; B22F9/00; B22F9/16; B22F9/30; B22F9/305; C30; C30B; C30B25/00; C30B25/005; C30B29/00; C30B29/54; C30B29/58; Y; Y10; Y10S; Y10S75/00; Y10S75/952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |