3591891

Information

• Patent Grant
• 3591891

• References
• Source

• Patent Number

  3,591,891

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1971
  53 years ago

• CPC

  • B30B3/045 - with co-operating cones
  • B30B11/28 - using perforated rollers or discs

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 241 - Solid material comminution or disintegration