3670487

Information

• Patent Grant
• 3670487

• References
• Source

• Patent Number

  3,670,487

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • D01H7/923 - by means of rotating devices

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 242 - Winding, tensioning, or guiding