Patent US3156084A successfully refreshed from Google Patents.
US3156084A
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False twist device
Assignee: RES NV
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Filing: 1961-04-28
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Granted: 1964-11-10
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Henriette Jaco Dijk-Groeneveld
- 👤 Jan Van Silfhout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:01
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/08; D02G1/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A FALSE TWIST DEVICE COMPRISING A PAIR OF ROTATABLE DISCS DISPOSED AT A SMALL ANGLE WITH RESPECT TO EACH OTHER TO DEFINE A NIP THEREBETWEEN AT THE APEX OF SAID ANGLE, ADJACENT PORTIONS OF SAID DISC DEFINING A YARN PATH PASSING THROUGH SAID NIP, SAID DISCS BEING DISPLACED FROM EACH OTHER ALONG AN AXIS NORMAL TO SAID YARN PATH, A FIXED ARM ON WHICH ONE OF SAID DISCS IS ROTATABLY MOUNTED, A MOVABLE ARM ON WHICH THE OTHER OF SAID DISCS IS ROTATABLY MOUNTED, MEANS MOUNTING SAID MOVABLE ARM FOR PIVOTAL MOVEMENT LATERALLY WITH RESPECT TO SAID FIXED ARM, AND MEANS FOR CONSTANTLY ROTATING SAID DISCS INCLUDING A BELT
Claim 2
Dependent Claim
109 words
A FALSE TWIST DEVICE COMPRISING A PAIR OF ROTATABLE DISCS DISPOSED AT A SMALL ANGLE WITH RESPECT TO EACH OTHER TO DEFINE A NIP THEREBETWEEN AT THE APEX OF SAID ANGLE, ADJACENT PORTIONS OF SAID DISC DEFINING A YARN PATH PASSING THROUGH SAID NIP, SAID DISCS BEING DISPLACED FROM EACH OTHER ALONG AN AXIS NORMAL TO SAID YARN PATH, A FIXED ARM ON WHICH ONE OF SAID DISCS IS ROTATABLY MOUNTED, A MOVABLE ARM ON WHICH THE OTHER OF SAID DISCS IS ROTATABLY MOUNTED, MEANS MOUNTING SAID MOVABLE ARM FOR PIVOTAL MOVEMENT LATERALLY WITH RESPECT TO SAID FIXED ARM, AND MEANS FOR CONSTANTLY ROTATING SAID DISCS INCLUDING A BELT
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |