3489040

Information

• Patent Grant
• 3489040

• References
• Source

• Patent Number

  3,489,040

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  54 years ago

• CPC

  • B23B41/02 - for boring deep holes Trepanning
  • B23B41/14 - for very small holes
  • Y10T408/03 - Processes
  • Y10T408/47 - with work-infeed means

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool