US3675864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel yarn package and apparatus for producing same
Assignee: Deering Milliken Research Corp
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Filing: 1970-11-23
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Granted: 1972-07-11
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Expires: 1990-11-23
Abstract
Abstract A yarn package with a high degree of uniformity in the yarn density throughout the package comprising an ascending series of generally heart shaped yarn loops disposed around a central core with a portion of each loop adjacent the core being disposed in a generally reflex angle configuration and the apex of the angle adjacent the core and another portion of each loop being adjacent the periphery of the package. Also, a novel method and apparatus for producing such a package.
Inventors
- 👤 Paul W Eschenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:57
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/76; B65H54/80; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
A yarn package with a high degree of uniformity in the yarn density throughout the package comprising an ascending series of generally heart shaped yarn loops disposed around a central core with a portion of each loop adjacent the core being disposed in a generally reflex angle configuration and the apex of the angle adjacent the core and another portion of each loop being adjacent the periphery of the package.
Claim 2
Dependent Claim
70 words
A yarn package with a high degree of uniformity in the yarn density throughout the package comprising an ascending series of generally heart shaped yarn loops disposed around a central core with a portion of each loop adjacent the core being disposed in a generally reflex angle configuration and the apex of the angle adjacent the core and another portion of each loop being adjacent the periphery of the package.
Claim 3
Dependent Claim
16 words
A yarn package according to claim 1 wherein the yarn is a heat shrinkable acrylic yarn.
Claim 4
Dependent Claim
16 words
A yarn package according to claim 1 wherein the yarn is a heat shrinkable polyester yarn.
References Cited (Backward Citations)
US2404742A
Cited
US2849195A
Cited
US3061229A
Cited
US3013742A
Cited
US3000075A
Cited
US3253800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |