1389399

Information

• Patent Grant
• 1389399

• References
• Source

• Patent Number

  1,389,399

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1921
  103 years ago

• CPC

  • B23Q5/404 - Screw bearings therefor
  • Y10T408/76 - Tool-carrier with vibration-damping means
  • Y10T409/508528 - Plural independently positioned cutters

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 408 - Cutting by use of rotating axially moving tool