3663352

Information

• Patent Grant
• 3663352

• References
• Source

• Patent Number

  3,663,352

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  53 years ago

• CPC

  • D02G1/004 - by heating fibres, filaments, yarns or threads so as to create a temperature gradient across their diameter, thereby imparting them latent asymmetrical shrinkage properties
  • Y10T428/2925 - Helical or coiled
  • Y10T428/2964 - Artificial fiber or filament
  • Y10T428/298 - Physical dimension

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 028 - Textiles: manufacturing