US3393083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a felted textile material
Assignee: Individual
•
Filing: 1964-06-29
•
Granted: 1968-07-16
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Go Yukichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:47
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D5/00; D01D5/20; D04; D04H; D04H1/00; D04H1/04; D04H1/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2967; Y10T428/2969; Y10T428/2973; Y10T428/2978; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A METHOD OF PRODUCING A FELTED TEXTILE MATERIAL, COMPRISING THE STEPS OF FORMING ON A FIBER A COATING ADAPTED TO BE DEFORMED WHEN IN SOFTENED CONDITION; SOFTENING SAID COATING; FORMING IN SAID SOFTENED COATING A PLURALITY OF INDENTATIONS SO AS TO GIVE TO THE OUTER FACE OF SAID COATING IN LONGITUDINAL SECTION A SUBSTANTIALLY SAWTOOTH CONFIGURATION WITH THE INCLINED SURFACES OF EACH TOOTH DEFINING SUBSTANTIALLY DIFFERENT ANGLES WITH THE AXIS OF SAID FIBER; HARDENING THE THUS DEFORMED COATING THEREBY OBTAINING A COATED FIBER WHICH WHEN PULLED IN ONE LONGITUDINAL DIRECTION ALONG A GIVEN SURFACE HAS A COEFFICIENT OF FRICTION WHICH IS SUBSTANTIALLY DIFFERENT FROM THE COEFFICIENT OF FRICTION OBTAINED WHEN SAID COATED FIBER IS PULLED IN THE OPPOSITE DIRECTION; SUBJECTING A PLURALITY OF THE COATED FIBERS TO FELTING SO AS TO FORM A FELTED TEXTILE MATERIAL; AND THEREAFTER AT LEAST PARTIALLY REMOVING SAID COATING FROM THE FIBER OF THE THUS FORMED FELTED TEXTILE MATERIAL.
Claim 2
Independent Claim
154 words
A METHOD OF PRODUCING A FELTED TEXTILE MATERIAL, COMPRISING THE STEPS OF FORMING ON A FIBER A COATING ADAPTED TO BE DEFORMED WHEN IN SOFTENED CONDITION; SOFTENING SAID COATING; FORMING IN SAID SOFTENED COATING A PLURALITY OF INDENTATIONS SO AS TO GIVE TO THE OUTER FACE OF SAID COATING IN LONGITUDINAL SECTION A SUBSTANTIALLY SAWTOOTH CONFIGURATION WITH THE INCLINED SURFACES OF EACH TOOTH DEFINING SUBSTANTIALLY DIFFERENT ANGLES WITH THE AXIS OF SAID FIBER; HARDENING THE THUS DEFORMED COATING THEREBY OBTAINING A COATED FIBER WHICH WHEN PULLED IN ONE LONGITUDINAL DIRECTION ALONG A GIVEN SURFACE HAS A COEFFICIENT OF FRICTION WHICH IS SUBSTANTIALLY DIFFERENT FROM THE COEFFICIENT OF FRICTION OBTAINED WHEN SAID COATED FIBER IS PULLED IN THE OPPOSITE DIRECTION; SUBJECTING A PLURALITY OF THE COATED FIBERS TO FELTING SO AS TO FORM A FELTED TEXTILE MATERIAL; AND THEREAFTER AT LEAST PARTIALLY REMOVING SAID COATING FROM THE FIBER OF THE THUS FORMED FELTED TEXTILE MATERIAL.
References Cited (Backward Citations)
US3112160A
Cited
US2200946A
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FR973159A
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US3015273A
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US2866256A
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US3127915A
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US3243339A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |