1230688

Information

• Patent Grant
• 1230688

• References
• Source

• Patent Number

  1,230,688

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1917
  107 years ago

• CPC

  • B23B51/0426 - with centering devices
  • Y10T408/56238 - Encompassed by Tool during cut

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool