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US3270491A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for twisting yarn

Assignee: Akzona Inc
•
Filing: 1965-09-17
•
Granted: 1966-09-06
•
Expires: 1985-09-17
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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 01:45
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)

GB355447A Cited
DE595004C Cited
US2080905A Cited
US2430944A Cited
US2821062A Cited
US2893198A Cited

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

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