Patent US3147578A successfully refreshed from Google Patents.
US3147578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously producing curled yarns
Assignee: Rhovyl SA
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Filing: 1962-08-13
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Granted: 1964-09-08
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Calizzano Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:44
CPC Classifications
D; D02; D02G; D02G1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A MACHINE FOR THE CONTINUOUS PRODUCTION OF CURLED YARN, COMPRISING A CORE AND MEANS FOR WINDING YARN THEREON, A SLEEVE SURROUNDING THE CORE AT A POINT UPSTREAM OF THE WINDING POINT, MEANS FOR PRODUCING RELATIVE AXIAL RECIPROCATION BETWEEN THE CORE AND THE SLEEVE WHEREBY THE CONVOLUTIONS OF YARN WOUND ON THE CORE ARE MOVED LONGITUDINALLY ALONG THE CORE AND MEANS FOR SETTING THE YARN IN THE COILED FORM.
Claim 2
Dependent Claim
68 words
A MACHINE FOR THE CONTINUOUS PRODUCTION OF CURLED YARN, COMPRISING A CORE AND MEANS FOR WINDING YARN THEREON, A SLEEVE SURROUNDING THE CORE AT A POINT UPSTREAM OF THE WINDING POINT, MEANS FOR PRODUCING RELATIVE AXIAL RECIPROCATION BETWEEN THE CORE AND THE SLEEVE WHEREBY THE CONVOLUTIONS OF YARN WOUND ON THE CORE ARE MOVED LONGITUDINALLY ALONG THE CORE AND MEANS FOR SETTING THE YARN IN THE COILED FORM.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |