US3293696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Special spinnerets for obtaining yarns of synthetic linear polymers having high regularity of count and of dyability
Assignee: SNIA Viscosa SpA
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Filing: 1964-07-01
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Granted: 1966-12-27
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Bruni Gaetano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:03
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D5/00; D01D5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SPINNERET FOR MELT-SPINNING SYNTHETIC LINEAR POLYMERS IN A PROCESS IN WHICH INDIVIDUAL SUBSTANTIALLY PARALRANGED IN TWO CONVERGING ROWS WHICH INCLUDE AN ANGLE LEL FILAMENTS ARE DRAWN FROM A PLURALITY OF SPINNING ORIFICES OF THE SPINNERET IN A GIVEN SPINNING DIRECTION THROUGH A STREAM OF GASEOUS COOLING MEDIUN WHICH IMPINGES ON SAID FILAMENTS IN A DIRECTION ESSENTIALLY TRANSVERSE TO SAID SPINNING DIRECTION, SAID ORIFICES BEING ARTHEREBETWEEN, THE DISTANCE BETWEEN ANY TWO ADJACENT
Claim 2
Dependent Claim
72 words
A SPINNERET FOR MELT-SPINNING SYNTHETIC LINEAR POLYMERS IN A PROCESS IN WHICH INDIVIDUAL SUBSTANTIALLY PARALRANGED IN TWO CONVERGING ROWS WHICH INCLUDE AN ANGLE LEL FILAMENTS ARE DRAWN FROM A PLURALITY OF SPINNING ORIFICES OF THE SPINNERET IN A GIVEN SPINNING DIRECTION THROUGH A STREAM OF GASEOUS COOLING MEDIUN WHICH IMPINGES ON SAID FILAMENTS IN A DIRECTION ESSENTIALLY TRANSVERSE TO SAID SPINNING DIRECTION, SAID ORIFICES BEING ARTHEREBETWEEN, THE DISTANCE BETWEEN ANY TWO ADJACENT
References Cited (Backward Citations)
US2742667A
Cited
US3115385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |