2820386

Information

• Patent Grant
• 2820386

• References
• Source

• Patent Number

  2,820,386

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  66 years ago

• CPC

  • B23B5/48 - for cutting grooves
  • B23D5/02 - involving rotary and straight-line movements only
  • Y10S82/902 - Oil grooving device
  • Y10T82/2527 - having hollow cutter head

• US Classifications

  • 082 - Turning