3137989

Information

• Patent Grant
• 3137989

• References
• Source

• Patent Number

  3,137,989

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1964
  60 years ago

• CPC

  • D02J1/229 - Relaxing
  • D01D5/22 - with a crimped or curled structure with a special structure to simulate wool
  • D01F6/04 - from polyolefins
  • D02G1/00 - Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
  • D02G1/10 - using knife edges
  • Y10S8/09 - Polyolefin
  • Y10S8/10 - Polyvinyl halide esters or alcohol fiber modification
  • Y10S8/928 - Polyolefin fiber
  • Y10S138/07 - Resins
  • Y10T428/2922 - Nonlinear [e.g., crimped, coiled, etc.]

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 008 - Bleaching and dyeing
  • 028 - Textiles: manufacturing
  • 525 - Synthetic resins or natural rubbers