US2729539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for spinning continuous filament nub yarn
Assignee: EIDP Inc
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Filing: 1952-12-17
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Granted: 1956-01-03
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Expires: 1972-12-17
Abstract
No abstract record available.
Inventors
- 👤 Lulay Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:53
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN THE PROCESS OF SPINNING CONTINUOUS FILAMENT YARN WITH FREQUENT AND SHARP VARIATIONS IN DENIER BY EXTRUDING VISCOSE WITH A PULSATING MOTION THROUGH A SPINNERET INTO A COAGULATING AND REGENERATING BATH TO FORM FILAMENTS AND CONVERGING THE FILAMENTS TO FORM A YARN BUNDLE, THE IMPROVEMENT WHICH COMPRISES SPINNING THE YARN AT A SPEED GREATER THAN 50 YARDS PER MINUTE AND CONVERGING THE FILAMENTS INTO A YARN BUNDLE AT A DISTANCE WITHIN 12 INCHES OF THE SPINNERET WHICH DOES NOT PRODUCE STUCK FILAMENTS.
Claim 2
Dependent Claim
82 words
IN THE PROCESS OF SPINNING CONTINUOUS FILAMENT YARN WITH FREQUENT AND SHARP VARIATIONS IN DENIER BY EXTRUDING VISCOSE WITH A PULSATING MOTION THROUGH A SPINNERET INTO A COAGULATING AND REGENERATING BATH TO FORM FILAMENTS AND CONVERGING THE FILAMENTS TO FORM A YARN BUNDLE, THE IMPROVEMENT WHICH COMPRISES SPINNING THE YARN AT A SPEED GREATER THAN 50 YARDS PER MINUTE AND CONVERGING THE FILAMENTS INTO A YARN BUNDLE AT A DISTANCE WITHIN 12 INCHES OF THE SPINNERET WHICH DOES NOT PRODUCE STUCK FILAMENTS.
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) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |