3520037

Information

• Patent Grant
• 3520037

• References
• Source

• Patent Number

  3,520,037

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1970
  54 years ago

• CPC

  • D02G1/10 - using knife edges
  • B29C67/00 - Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
  • D01D5/423 - by fibrillation of films or filaments

• US Classifications

  • 028 - Textiles: manufacturing
  • 019 - Textiles: fiber preparation