US3264384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing a synthetic bast
Assignee: Viscosuisse SA
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Filing: 1962-03-26
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Granted: 1966-08-02
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Settele Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:13
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253; D01D5/08; D01D5/088; D01D5/0885; D01D5/20; D01D5/24; B; B29; B29C; B29C48/00; B29C48/001; B29C48/0018; B29C48/0019; B29C48/03; B29C48/05; B29C48/09; B29C48/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A PROCESS FOR THE PRODUCTION OF A SYNTHETIC MATERIAL HAVING THE APPEARANCE OF A BAST FIBRE INCLUDING THE STEPS OF EXTRUDING A MOLTEN SYNTHETIC FIBRE-FORMING POLYMER THROUGH AN ANNULAR ORIFICE TO FORM A TUBULAR FILAMENT, MAINTAINING A SLIGHT SUPERATMOSPHERIC AND PULSATING PRESSURE WITH INERT GAS INSIDE THE TUBULAR FILAMENT, PASSING THE FILAMENT WHILE IN THE PLASTI STATE INTO A COOLING LIQUID AND THEN, WHILE STILL IN AN AGGLUTINATIVE SRATE, DRAWING IT PAST A DEFLECTOR PLACED IN THE COOLING LIQUID ASYMMETRICALLY TO THE TUBULAR FILAMENT SO THAT IT IS FLATTENED AND IRREGULARLY CREASED AND FOLDED AND THE
Claim 2
Dependent Claim
97 words
IN A PROCESS FOR THE PRODUCTION OF A SYNTHETIC MATERIAL HAVING THE APPEARANCE OF A BAST FIBRE INCLUDING THE STEPS OF EXTRUDING A MOLTEN SYNTHETIC FIBRE-FORMING POLYMER THROUGH AN ANNULAR ORIFICE TO FORM A TUBULAR FILAMENT, MAINTAINING A SLIGHT SUPERATMOSPHERIC AND PULSATING PRESSURE WITH INERT GAS INSIDE THE TUBULAR FILAMENT, PASSING THE FILAMENT WHILE IN THE PLASTI STATE INTO A COOLING LIQUID AND THEN, WHILE STILL IN AN AGGLUTINATIVE SRATE, DRAWING IT PAST A DEFLECTOR PLACED IN THE COOLING LIQUID ASYMMETRICALLY TO THE TUBULAR FILAMENT SO THAT IT IS FLATTENED AND IRREGULARLY CREASED AND FOLDED AND THE
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |