US3264816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing composite yarn structure
Assignee: Heberlein Patent Corp
•
Filing: 1963-06-21
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Granted: 1966-08-09
•
Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jaggi Markus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:24
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/32; D02G3/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR PRODUCING COMPOSITE YARNS CONTAINING STAPLE FIBERS AND CONTINUOUS CRIMPED SYNTHETIC FILAMENTS, SAID PROCESS COMPRISING THE STEPS OF WITHDRAWING A ROVING OF STAPLE FIBERS FROM A FIRST SPOOL BY MEANS OF A FIRST PAIR OF ROLLERS DRIVEN AT A FIRST PERIPHERAL VELOCITY, STRETCHING THE ROVING SO WITHDRAWN BY MEANS OF ANOTHER PAIR OF ROLLERS DRIVENN AT A SECOND PERIPHERAL VELOCITY HIGHER THAN SAID FIRST PERIPHERAL VELOCITY, WITHDRAWING TWO CRIMPED SYNTHETIC FILAMENT YARNS FROM SEPARATE SECOND AND THIRD SPOOLS AND PASSING SAID FILAMENT YARNS THROUGH SAID OTHER PAIR OF ROLLERS, PASSING SAID ROVING THROUGH SAID OTHER PAIR OF ROLLERS IN CONTACT WITH ONE OF SAID SYNTHETIC FILAMENT YARNS, GUIDING THE SECOND SYNTHETIC FILAMENT YARN
Claim 2
Dependent Claim
115 words
A PROCESS FOR PRODUCING COMPOSITE YARNS CONTAINING STAPLE FIBERS AND CONTINUOUS CRIMPED SYNTHETIC FILAMENTS, SAID PROCESS COMPRISING THE STEPS OF WITHDRAWING A ROVING OF STAPLE FIBERS FROM A FIRST SPOOL BY MEANS OF A FIRST PAIR OF ROLLERS DRIVEN AT A FIRST PERIPHERAL VELOCITY, STRETCHING THE ROVING SO WITHDRAWN BY MEANS OF ANOTHER PAIR OF ROLLERS DRIVENN AT A SECOND PERIPHERAL VELOCITY HIGHER THAN SAID FIRST PERIPHERAL VELOCITY, WITHDRAWING TWO CRIMPED SYNTHETIC FILAMENT YARNS FROM SEPARATE SECOND AND THIRD SPOOLS AND PASSING SAID FILAMENT YARNS THROUGH SAID OTHER PAIR OF ROLLERS, PASSING SAID ROVING THROUGH SAID OTHER PAIR OF ROLLERS IN CONTACT WITH ONE OF SAID SYNTHETIC FILAMENT YARNS, GUIDING THE SECOND SYNTHETIC FILAMENT YARN
References Cited (Backward Citations)
GB515696A
Cited
US2313058A
Cited
US2332395A
Cited
GB781344A
Cited
US2971322A
Cited
GB850059A
Cited
US3068636A
Cited
US3070950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |