3622091

Information

• Patent Grant
• 3622091

• References
• Source

• Patent Number

  3,622,091

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • B02C4/18 - in the form of a bar
  • D21B1/063 - using grinding devices

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 451 - Abrading