3657777

Information

• Patent Grant
• 3657777

• References
• Source

• Patent Number

  3,657,777

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • D01G11/04 - Opening rags to obtain fibres for re-use
  • Y02W30/667 - Opening rags to obtain fibres for re-use

• US Classifications

  • 019 - Textiles: fiber preparation