818294

Information

• Patent Grant
• 818294

• References
• Source

• Patent Number

  818,294

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1906
  118 years ago

• CPC

  • B23B51/0072 - Drills for making non-circular holes
  • Y10T408/35 - including plural rotating tools
  • Y10T408/352 - including rotating cutter other than rotating, axially moving Tool
  • Y10T408/62 - Coaxial

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool