Patent US3335210A successfully refreshed from Google Patents.
US3335210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament yarn spinning apparatus and method
Assignee: Monsanto Co
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Filing: 1963-10-29
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Granted: 1967-08-08
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Vinicki John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:19
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D5/00; D01D5/08; D01D5/088; D01D5/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD FOR SPINNING FILAMENT YARNS COMPRISING: (A) EXTRUDING A PLURALITY OF FILAMENTS IN A V FORMATION, (B) LONGITUDINALLY PASSING SAID V FORMATION OF FILAMENTS THROUGH A QUENCH REGION, (C) FLOWING A STREAM OF AIR UNDER PRESSURE PERPENDICULARLY TO THE LONGITUDINALLY PASSING FILAMENTS AND INTO THE MOUTH OF THE V FILAMENT FORMATION IN SAID QUENCH REGION, WHEREBY THE FILAMENTS PRODUCE A FUNNELING OF THE AIRSTREAM TOWARD THE APEX OF THE V FORMATION.
Claim 2
Independent Claim
72 words
A METHOD FOR SPINNING FILAMENT YARNS COMPRISING: (A) EXTRUDING A PLURALITY OF FILAMENTS IN A V FORMATION, (B) LONGITUDINALLY PASSING SAID V FORMATION OF FILAMENTS THROUGH A QUENCH REGION, (C) FLOWING A STREAM OF AIR UNDER PRESSURE PERPENDICULARLY TO THE LONGITUDINALLY PASSING FILAMENTS AND INTO THE MOUTH OF THE V FILAMENT FORMATION IN SAID QUENCH REGION, WHEREBY THE FILAMENTS PRODUCE A FUNNELING OF THE AIRSTREAM TOWARD THE APEX OF THE V FORMATION.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |