3668857

Information

• Patent Grant
• 3668857

• References
• Source

• Patent Number

  3,668,857

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • D02G3/48 - Tyre cords
  • D02G3/283 - using hollow spindles through which one yarn is running

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining