US3333040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing novelty yarn and apparatus associated therewith
Assignee: Asahi Kasei Corp
•
Filing: 1963-12-02
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Granted: 1967-07-25
•
Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Nakahara Yasuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:28
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; D01D5/06; D01D5/12; D01D5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR PRODUCING A NOVELTY YARN HAVING IRREGULARLY SPACED KNOTS, SAID METHOD COMPRISING SIMULTANEOUSLY EXTRUDING TWO SEPARATE SPACED FILAMENTS OF THE SAME SIZE AND COMPOSITION AT A COMMON LEVEL SUCH THAT THE FILAMENTS FREELY FALL IN SPACE VERTICALLY, COMBINING THE FILAMENTS AFTER ONE HAS FALLEN A GREATER DISTANCE THAN THE OTHER AND REDUCING THE SPEED OF FALL OF THE FILAMENT WHICH PASSES THROUGH THE LESSER DISTANCE.
Claim 2
Independent Claim
67 words
A METHOD FOR PRODUCING A NOVELTY YARN HAVING IRREGULARLY SPACED KNOTS, SAID METHOD COMPRISING SIMULTANEOUSLY EXTRUDING TWO SEPARATE SPACED FILAMENTS OF THE SAME SIZE AND COMPOSITION AT A COMMON LEVEL SUCH THAT THE FILAMENTS FREELY FALL IN SPACE VERTICALLY, COMBINING THE FILAMENTS AFTER ONE HAS FALLEN A GREATER DISTANCE THAN THE OTHER AND REDUCING THE SPEED OF FALL OF THE FILAMENT WHICH PASSES THROUGH THE LESSER DISTANCE.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |