2775147

Information

• Patent Grant
• 2775147

• References
• Source

• Patent Number

  2,775,147

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1956
  68 years ago

• CPC

  • B23B41/06 - for boring conical holes
  • Y10T82/128 - Pivoted to tool-carrier
  • Y10T408/855 - Tool-support including plural, adjustable sections

• US Classifications

  • 082 - Turning
  • 408 - Cutting by use of rotating axially moving tool