2794469

Information

• Patent Grant
• 2794469

• References
• Source

• Patent Number

  2,794,469

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1957
  67 years ago

• CPC

  • B23B51/0426 - with centering devices
  • B23B2215/72 - Tubes, pipes
  • B23B2260/082 - Holes
  • Y10T408/8957 - and having stepped cutting edges
  • Y10T408/8967 - and central lead-screw

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool