3889456

Information

• Patent Grant
• 3889456

• References
• Source

• Patent Number

  3,889,456

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • D01H7/88 - Hollow-spindle arrangements
  • D02G3/362 - using hollow spindles

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining