2838981

Information

• Patent Grant
• 2838981

• References
• Source

• Patent Number

  2,838,981

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • D21D1/36 - with vertical shaft
  • D21B1/32 - of waste paper
  • Y02W30/646 - Wet methods for dividing waste paper into small particles

• US Classifications

  • 241 - Solid material comminution or disintegration