US3327463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for imparting false twist to continuous filaments by frictionalcontact
Assignee: Teijin Ltd
•
Filing: 1965-08-11
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Granted: 1967-06-27
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Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Niina Gentaro
- 👤 Tameshige Tadashi
- 👤 Makabe Shoji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:42
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/08; D02G1/082
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
38 words
A TWIST HEAD FOR FALSE TWISTING BY FRICTIONAL CONTACT COMPRISING A ROTATING SHAFT AND A PLURALITY OF FRICTION DISCS DISPOSED IN SPACED RELATION THEREON TO CONSTITUTE A SINGLE ROTATING MEMBER, SAID SINGLE ROTATING MEMBER BEING OF BARREL SHAPE.
References Cited (Backward Citations)
US1030179A
Cited
US2939269A
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US2923121A
Cited
US2946180A
Cited
US3094834A
Cited
FR1254093A
Cited
US3225533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |