1771810

Information

• Patent Grant
• 1771810

• References
• Source

• Patent Number

  1,771,810

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1930
  94 years ago

• CPC

  • D21C11/10 - Concentrating spent liquor by evaporation
  • Y10S159/18 - Accumulator

• US Classifications

  • 162 - Paper making and fiber liberation
  • 159 - Concentrating evaporators