3717989

Information

• Patent Grant
• 3717989

• References
• Source

• Patent Number

  3,717,989

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  52 years ago

• CPC

  • D01H1/18 - Supports for supply packages
  • D01H1/108 - for two or more supply bobbins one on top of the other
  • D01H7/866 - Means to facilitate the unwinding of yarn

• US Classifications

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