2181547

Information

• Patent Grant
• 2181547

• References
• Source

• Patent Number

  2,181,547

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1939
  85 years ago

• CPC

  • B24B31/104 - involving a rotating bowl, in which a ring zone of abrasive powder is formed by centrifugal force

• US Classifications

  • 451 - Abrading