US3306023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming twisted fibre assemblies
Assignee: —
•
Filing: —
•
Granted: 1967-02-28
•
Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:30
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/26; D02G3/28; D02G3/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR FORMING A TWISTED THREAD FROM AT LEAST TWO STRANDS, COMPRISING THE STEPS OF: (A) SEPARATELY TWISTING THE STRANDS SO THAT THEY EACH HAVE REPEATED ALONG THEIR LENGTHS ALTERNATING ZONES OF OPPOSITE TWIST SEPARATED BY TWIST CHANGE-OVER REGIONS AT WHICH THERE IS NO TWIST, (B) CONVERGING THE STRANDS SO THAT THEY TWIST AROUND ONE ANOTHER TO FORM A STABLE THREAD, AND (C) INSERTING UNIDIRECTIONAL TWIST INTO SAID STABLE THREAD.
Claim 2
Dependent Claim
71 words
A PROCESS FOR FORMING A TWISTED THREAD FROM AT LEAST TWO STRANDS, COMPRISING THE STEPS OF: (A) SEPARATELY TWISTING THE STRANDS SO THAT THEY EACH HAVE REPEATED ALONG THEIR LENGTHS ALTERNATING ZONES OF OPPOSITE TWIST SEPARATED BY TWIST CHANGE-OVER REGIONS AT WHICH THERE IS NO TWIST, (B) CONVERGING THE STRANDS SO THAT THEY TWIST AROUND ONE ANOTHER TO FORM A STABLE THREAD, AND (C) INSERTING UNIDIRECTIONAL TWIST INTO SAID STABLE THREAD.
References Cited (Backward Citations)
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Cited
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Cited
US2936569A
Cited
US2957302A
Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |