3648449

Information

• Patent Grant
• 3648449

• References
• Source

• Patent Number

  3,648,449

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • D01H7/86 - Multiple-twist arrangements
  • D01H1/427 - Anti-ballooning cylinders

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining