3857657

Information

• Patent Grant
• 3857657

• References
• Source

• Patent Number

  3,857,657

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • D01B1/50 - Obtaining fibres from other specified vegetable matter

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 019 - Textiles: fiber preparation
  • 028 - Textiles: manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes