3691748

Information

• Patent Grant
• 3691748

• References
• Source

• Patent Number

  3,691,748

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • D02J1/229 - Relaxing
  • D01D5/20 - with varying denier along their length
  • D02G1/00 - Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
  • D02J1/223 - Stretching in a liquid bath
  • Y10S428/91 - Product with molecular orientation
  • Y10T428/2922 - Nonlinear [e.g., crimped, coiled, etc.]
  • Y10T428/2976 - Longitudinally varying

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 057 - Textiles: spinning, twisting, and twining