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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
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Expires: 1983-06-21
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Abstract

No abstract record available.

Inventors

  • 👤 Jaggi Markus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 12:18
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FROM A FIRST SPOOL BY MEANS OF A FIRST PAIR OF ROLLERS DRIVEN AT A FIRST PERIPHERAL VELOCITY, STRETCHING THE ROVING SO WITHDRAWN BY MEANS OF ANOTHER PAIR OF ROLLERS DRIVENN AT A SECOND PERIPHERAL VELOCITY HIGHER THAN SAID FIRST PERIPHERAL VELOCITY, WITHDRAWING TWO CRIMPED SYNTHETIC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FROM A FIRST SPOOL BY MEANS OF A FIRST PAIR OF ROLLERS DRIVEN AT A FIRST PERIPHERAL VELOCITY, STRETCHING THE ROVING SO WITHDRAWN BY MEANS OF ANOTHER PAIR OF ROLLERS DRIVENN AT A SECOND PERIPHERAL VELOCITY HIGHER THAN SAID FIRST PERIPHERAL VELOCITY, WITHDRAWING TWO CRIMPED SYNTHETIC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

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