Patent US3076307A successfully refreshed from Google Patents.
US3076307A
Expired / Lapsed
US
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Novelty core constructed yarn
Assignee: Kendall Co
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Filing: 1961-12-18
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Granted: 1963-02-05
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Preston F Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:48
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D02G1/00; D02G1/16; Y; Y10; Y10S; Y10S297/00; Y10S297/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A CORE-CONSTRUCTED YARN COMPRISING AT LEAST ONE CONTINUOUS GENERALLY STRAIGHT CENTRAL CORE STRAND EXTENDING GENERALLY AXIALLY OF SAID YARN AND AT LEAST ONE CONTINUOUS WRAPPING STRAND HAVING A MULTIPLICITY OF CLOSELY ADJACENT PORTIONS RANDOMLY DOUBLED BACK AND WOUND IN DOUBLED CONFIGURATION THEREABOUT IN THE FORM OF A CLOSE SPACED AND PARTIALLY OVERLAPPING HELIX FOR A PLURALITY OF TURNS WITH THE DOUBLED-BACK ENDS FORMING PEDICLED LOOPS WHICH EXTEND GENERALLY PERPENDICULAR TO AND RADIALLY FROM THE CENTRAL AXIS, AND PROJECTING OUTWARDLY THEREBEYOND, SAID YARN BEING ESSENTIALLY FREE FROM RESIDUAL WRAP BUT WITH THE INDIVIDUAL WRAPPING STRAND PORTIONS SO ENTANGLED, SNARLED AND FRICTIONALLY ENGAGED WITH ADJACENT STRAND PORTIONS OF SAID WRAPPING STRAND AND SAID CORE STRAND AS TO RESIST UNWINDING THEREOF.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |