Patent US3605393A successfully refreshed from Google Patents.
US3605393A
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US
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Apparatus and method for making bulky yarn
Assignee: Owens Corning
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Filing: 1969-06-11
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Granted: 1971-09-20
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Expires: 1989-06-11
Abstract
Abstract AN APPARATUS FOR MAKING A BULKY TEXTILE YARN HAVING AT LEAST TWO GROUPS OF FILAMENTS COMBINED TOGETHER WITH EACH GROUP ALTERNATELY FORMING CORE AND EFFECT FILAMENTS IN THE COMPOSITE YARN. THE APPARATUS INCLUDES MEANS FOR ALTERNATING THE FEED SPEED OF THE FILAMENT GROUPS PASSING TO A FLUID BUCKLING APPARATUS WHICH COMBINES THE GROUPS IN A PATTERN DEPENDENT UPON THE FEED SPEED RELATIONSHIP, AND A MEANS FOR SETTING THE FILAMENT PATTERN SO THAT THE COMPOSITE YARN RETAINS THE FILAMENT PATTERN.
Inventors
- 👤 Charles F Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:55
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |