2231815

Information

• Patent Grant
• 2231815

• References
• Source

• Patent Number

  2,231,815

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  84 years ago

• CPC

  • D02G3/187 - in the sheath
  • D01G99/00 - Subject matter not provided for in other groups of this subclass
  • D02G3/185 - in the core
  • D02G3/36 - Cored or coated yarns or threads

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining