240318

Information

• Patent Grant
• 240318

• References
• Source

• Patent Number

  240,318

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1881
  143 years ago

• CPC

  • D21C7/02 - Rotary digesters
  • Y10S366/607 - Chain-type stirrer

• US Classifications

  • 162 - Paper making and fiber liberation
  • 366 - Agitating