3161992

Information

• Patent Grant
• 3161992

• References
• Source

• Patent Number

  3,161,992

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1964
  60 years ago

• CPC

  • B24B33/05 - designed for working grooves
  • B24B19/02 - for grinding grooves

• US Classifications

  • 451 - Abrading