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US3388545A Expired / Lapsed US ⏱️ 0.0 years remaining

Core yarns and a process and apparatus assembly for making them

Assignee: British Nylon Spinners Ltd
•
Filing: 1965-12-23
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Granted: 1968-06-18
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Expires: 1985-12-23
📄 Original PDF 🌐 Google Patents

Abstract

No abstract record available.

Inventors

  • 👤 Cannon Cyril George
  • 👤 Davies Barrie Linton
  • 👤 Selwood Alan
  • 👤 Williams Roy Alan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:29
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/362; D02G1/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE612897C Cited
US2120270A Cited
US2324989A Cited
US3153316A Cited
US3041812A Cited
US3078633A Cited
US3092953A Cited
US3180115A Cited
US3158982A Cited
GB1045454A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-18 1971-12-18 1972-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-18 1975-12-18 1976-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-18 1979-12-18 1980-06-18 $7700.00 Window Closed / Lapsed

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