3681188

Information

• Patent Grant
• 3681188

• References
• Source

• Patent Number

  3,681,188

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • D01D5/23 - by asymmetrical cooling of filaments, threads, or the like, leaving the spinnerettes
  • D01F6/62 - from polyesters
  • Y10T428/2925 - Helical or coiled
  • Y10T428/2969 - Polyamide, polyimide or polyester

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 028 - Textiles: manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes