3816861

Information

• Patent Grant
• 3816861

• References
• Source

• Patent Number

  3,816,861

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • B23Q9/0035 - and being capable of guiding the tool in a circular path

• US Classifications

  • 451 - Abrading