1782869

Information

• Patent Grant
• 1782869

• References
• Source

• Patent Number

  1,782,869

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1930
  94 years ago

• CPC

  • D21B1/025 - Separating pith from fibrous vegetable materials

• US Classifications

  • 162 - Paper making and fiber liberation