Patent US3270491A successfully refreshed from Google Patents.
US3270491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for twisting yarn
Assignee: Akzona Inc
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Filing: 1965-09-17
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Granted: 1966-09-06
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Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Langen Lambertus H De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:43
CPC Classifications
D; D03; D03D; D03D41/00; D03D47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A TWIST APPARATUS COMPRISING AN ELONGATED TUBULAR BODY PROVIDED WITH A LONGITUDINAL THREAD PASSAGEWAY, MEANS MOUNTING SAID TUBULAR BODY FOR ROTATION, A THREAD CLAMP SUPPORTED WITHIN SAID LONGITUDINAL THREAD PASSAGEWAY FOR ROTATION WITH AND FOR TURNING WITH RESPECT TO SAID TUBULAR BODY, SAID THREAD CLAMP OPERATING TO GRIP THREAD PASSING THROUGH SAID TUBULAR BODY ONLY IN ONE POSITION OF SAID CLAMP RELATIIVE TO SAID BODY, A BUSHING SLIDABLY SUPPORTED BY THE EXTERNAL SURFACE OF SAID TUBULAR BODY, MEANS TRANSPORTING SLIDING MOVEMENT OF SAID BUSHING INTO ROTATION OF SAID THREAD CLAMP RELATIVE TO THE TUBULAR BODY, AND MEANS FOR ROTATING SAID TUBULAR BODY.
Claim 2
Dependent Claim
102 words
A TWIST APPARATUS COMPRISING AN ELONGATED TUBULAR BODY PROVIDED WITH A LONGITUDINAL THREAD PASSAGEWAY, MEANS MOUNTING SAID TUBULAR BODY FOR ROTATION, A THREAD CLAMP SUPPORTED WITHIN SAID LONGITUDINAL THREAD PASSAGEWAY FOR ROTATION WITH AND FOR TURNING WITH RESPECT TO SAID TUBULAR BODY, SAID THREAD CLAMP OPERATING TO GRIP THREAD PASSING THROUGH SAID TUBULAR BODY ONLY IN ONE POSITION OF SAID CLAMP RELATIIVE TO SAID BODY, A BUSHING SLIDABLY SUPPORTED BY THE EXTERNAL SURFACE OF SAID TUBULAR BODY, MEANS TRANSPORTING SLIDING MOVEMENT OF SAID BUSHING INTO ROTATION OF SAID THREAD CLAMP RELATIVE TO THE TUBULAR BODY, AND MEANS FOR ROTATING SAID TUBULAR BODY.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |