1431709

Information

• Patent Grant
• 1431709

• References
• Source

• Patent Number

  1,431,709

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1922
  102 years ago

• CPC

  • D21F11/16 - Making paper strips for spinning or twisting

• US Classifications

  • 162 - Paper making and fiber liberation