1398477

Information

• Patent Grant
• 1398477

• References
• Source

• Patent Number

  1,398,477

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1921
  103 years ago

• CPC

  • B23F9/10 - with a face-mill
  • B23F21/226 - in exchangeable arrangement
  • B23F23/12 - Other devices
  • B23F23/125 - Face mill holders
  • Y10T409/108427 - Using plural, selectively usable tools

• US Classifications

  • 409 - Gear cutting, milling, or planing