2721440

Information

• Patent Grant
• 2721440

• References
• Source

• Patent Number

  2,721,440

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • D01G1/081 - with preferential breaking zones
  • D01G1/10 - by cutting

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 019 - Textiles: fiber preparation