3440691

Information

• Patent Grant
• 3440691

• References
• Source

• Patent Number

  3,440,691

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • D06C15/02 - between co-operating press or calender rolls
  • D01H5/50 - using springs

• US Classifications

  • 019 - Textiles: fiber preparation