Patent US3365873A successfully refreshed from Google Patents.
US3365873A
Expired / Lapsed
US
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Method of treating a composite filament
Assignee: Kanebo Ltd
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Filing: 1965-07-26
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Granted: 1968-01-30
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Toyokazu Matsumoto
- 👤 Masao Matsui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:03
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01F8/12; D02; D02G; D02G1/00; D02G1/02; D02G1/0286; D02G3/00; D02G3/22; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S57/00; Y10S57/905
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A METHOD COMPRISING TREATING A COMPOSITE FILAMENT TO ENABLE THE FILAMENT TO BE KNIT INTO A FABRIC HAVING AN EVEN SURFACE APPEARANCE AND SUBSTANTIAL STRETCHABILITY, SAID FILAMENT BEING COMPOSED OF TWO ADHERENT COMPONENTS OF SYNTHETIC LINEAR THERMOPLASTIC POLYMERS HAVING DIFFERENT SHRINKABILITIES AND JOINED ALONG A CONJUGATE PHASE, THE FILAMENT HAVING A TENDENCY TO CURL AND FORM A WAVY CONTOUR ALONG ITS LENGTH, SAID METHOD INCLUDING THE STEPS OF TWISTING THE FILAMENT TO ORIENT THE CONJUGATE PHASE IN DIFFERING DIRECTIONS ALONG THE LENGTH OF THE FILAMENT.
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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |