2780947

Information

• Patent Grant
• 2780947

• References
• Source

• Patent Number

  2,780,947

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1957
  67 years ago

• CPC

  • B23B51/042 - with lubricating or cooling equipment
  • Y10S408/703 - Trepanning
  • Y10T408/455 - Conducting channel extending to end of Tool
  • Y10T408/5565 - Wheel-axis parallel to tool-axis
  • Y10T408/558 - Opening coaxial with Tool
  • Y10T408/5665 - Work-engaging surface parallel to tool-axis

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool