3778180

Information

• Patent Grant
• 3778180

• References
• Source

• Patent Number

  3,778,180

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • B23B51/02 - Twist drills
  • B23B2251/426 - Micro-drills
  • Y10S408/704 - Drilling small holes
  • Y10T408/907 - including detailed shank
  • Y10T408/9097 - Spiral channel

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool