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US3589854A Expired / Lapsed US ⏱️ 0.0 years remaining

Intermittent contacting of yarn with liquid in a narrow nip moving across rollers

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1969-10-13
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Granted: 1971-06-29
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Expires: 1989-10-13
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Abstract

Abstract A PROCESS FOR THE INTERMITTENT APPLICATION OF A LIQUID OR PASTE ALONG THE LENGTH OF A YARN WHEREIN THE YARN IS PASSED THROUGH A ZONE DEFINED BY THE TRAVERSING MOTION NORMAL TO THE YARN PATH OF AT LEAST ONE NIP FORMED BY THE SURFACE PORTION OF TWO CONTRA-ROTATING BODIES CAUSED TO TRAVERSE TO AND FRO IN A DIRECTION NORMAL TO THE PATH OF THE YARN IN THE ZONE. D R A W I N G

Inventors

  • 👤 Malcolm Carnie Cobb
  • 👤 Ronald Gibb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:26
CPC Classifications
D; D06; D06B; D06B11/00; D06B11/002; D06B11/0026

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-28 1974-12-28 1975-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-28 1978-12-28 1979-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-28 1982-12-28 1983-06-29 $7700.00 Window Closed / Lapsed

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