2640379

Information

• Patent Grant
• 2640379

• References
• Source

• Patent Number

  2,640,379

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  72 years ago

• CPC

  • B23B51/00 - Tools for drilling machines
  • B23B2251/14 - Configuration of the cutting part
  • B23B2251/404 - with decreasing depth in a direction towards the shank from the tool tip
  • Y10T408/9093 - Each formed by a pair of axially facing facets
  • Y10T408/9095 - with axially extending relief channel

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool