US3336743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite yarn and process therefor
Assignee: Kendall Co
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Filing: 1965-12-06
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Granted: 1967-08-22
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Preston F Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:22
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/162; D02G3/00; D02G3/22; D02G3/34; D02G3/38
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
102 words
A COMPOSITE YARN COMPRISING A WRAPPED YARN FORMED FROM AT LEAST ONE WRAPPING STRAND AND AT LEAST ONE CORE STRAND, SAID WRAPPING STRAND BEING ASSOCIATED WITH SAID CORE STRAND IN THE FORM OF DOUBLED-BACK LOOPS WOUND AROUND SAID CORE STRAND FOR A MULTIPLICITY OF TURNS, TOGETHER WITH A FALSELY-PLIED STRAND SECURED TO SAID WRAPPED YRAN AT PERIODIC INTERVALS BY A SECONDARY WRAPPING, SAID SECONDARY WRAPPING COMPRISING LOOPS DERIVED FROM THE WRAPPING STRAND OF THE WRAPPED YARN BEING DISPOSED AROUND SAID FALSELY-PLIED STRAND AND AROUND SAID WRAPPED STRAND, SAID WRAPPED STRAND AND SAID FALSELY-PLIED STRAND POSSESSING NO NET TRUE TWIST AROUND ONE ANOTHER.
Claim 2
Dependent Claim
102 words
A COMPOSITE YARN COMPRISING A WRAPPED YARN FORMED FROM AT LEAST ONE WRAPPING STRAND AND AT LEAST ONE CORE STRAND, SAID WRAPPING STRAND BEING ASSOCIATED WITH SAID CORE STRAND IN THE FORM OF DOUBLED-BACK LOOPS WOUND AROUND SAID CORE STRAND FOR A MULTIPLICITY OF TURNS, TOGETHER WITH A FALSELY-PLIED STRAND SECURED TO SAID WRAPPED YRAN AT PERIODIC INTERVALS BY A SECONDARY WRAPPING, SAID SECONDARY WRAPPING COMPRISING LOOPS DERIVED FROM THE WRAPPING STRAND OF THE WRAPPED YARN BEING DISPOSED AROUND SAID FALSELY-PLIED STRAND AND AROUND SAID WRAPPED STRAND, SAID WRAPPED STRAND AND SAID FALSELY-PLIED STRAND POSSESSING NO NET TRUE TWIST AROUND ONE ANOTHER.
Claim 3
Independent Claim
150 words
THE METHOD OF PRODUCING A FALSELY-PLIED YARN WHICH COMPRISES PASSING AT LEAST ONE WRAPPING STRAND AND AT LEAST ONE CORE STRAND THROUGH A GENERALLY CYLINDRICAL BODY OF FLUID WHIRLING ABOUT A CENTRAL AXIS, THE WRAPPING STRAND BEING FED AT A RATE FASTER THAN THE CORE STRAND, DISPOSING THE WRAPPING STRAND AROUND THE CORE STRAND IN THE FORM OF DOUBLED-BACK LOOPS WOUND FOR A MULTIPLICITY OF TURNS AROUND SAID CORE STRAND, A PORTION OF SAID LOOPS AT INTERVALS EXTENDING RADIALLY OUTWARD FROM THE AXIS OF SAID CORE STRAND; BRINGING THE THUS-FORMED WRAPPED YARN INTO JUSTAPOSITION WITH A SECOND STRAND, PASSING THE COMBINED YARN AND SECOND STRAND THROUGH A GENERALLY CYLINDRICAL BODY OF FLUID WHIRLING ABOUT A CENTRAL AXIS, WRAPPING AT LEAST SOME OF THE RADIALLY-DISPOSED LOOPS OF THE WRAPPED YARN AROUND BOTH THE SECOND STRAND AND AROUND THE WRAPPED YARN, AND REMOVING THE THUS-FORMED FALSELY-PLIED FROM THE WHIRLING BODY OF FLUID.
Claim 4
Independent Claim
150 words
THE METHOD OF PRODUCING A FALSELY-PLIED YARN WHICH COMPRISES PASSING AT LEAST ONE WRAPPING STRAND AND AT LEAST ONE CORE STRAND THROUGH A GENERALLY CYLINDRICAL BODY OF FLUID WHIRLING ABOUT A CENTRAL AXIS, THE WRAPPING STRAND BEING FED AT A RATE FASTER THAN THE CORE STRAND, DISPOSING THE WRAPPING STRAND AROUND THE CORE STRAND IN THE FORM OF DOUBLED-BACK LOOPS WOUND FOR A MULTIPLICITY OF TURNS AROUND SAID CORE STRAND, A PORTION OF SAID LOOPS AT INTERVALS EXTENDING RADIALLY OUTWARD FROM THE AXIS OF SAID CORE STRAND; BRINGING THE THUS-FORMED WRAPPED YARN INTO JUSTAPOSITION WITH A SECOND STRAND, PASSING THE COMBINED YARN AND SECOND STRAND THROUGH A GENERALLY CYLINDRICAL BODY OF FLUID WHIRLING ABOUT A CENTRAL AXIS, WRAPPING AT LEAST SOME OF THE RADIALLY-DISPOSED LOOPS OF THE WRAPPED YARN AROUND BOTH THE SECOND STRAND AND AROUND THE WRAPPED YARN, AND REMOVING THE THUS-FORMED FALSELY-PLIED FROM THE WHIRLING BODY OF FLUID.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |