2722856

Information

• Patent Grant
• 2722856

• References
• Source

• Patent Number

  2,722,856

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1955
  69 years ago

• CPC

  • B23B51/0406 - Drills with a tubular body
  • B23B31/16008 - Details of the jaws
  • B23B2260/004 - Adjustable elements
  • Y10T408/85913 - Volute scroll
  • Y10T408/909 - Having peripherally spaced cutting edges

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool