2809473

Information

• Patent Grant
• 2809473

• References
• Source

• Patent Number

  2,809,473

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1957
  67 years ago

• CPC

  • B24B31/027 - with additional oscillating movement

• US Classifications

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