2794470

Information

• Patent Grant
• 2794470

• References
• Source

• Patent Number

  2,794,470

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1957
  67 years ago

• CPC

  • B23B51/108 - having a centering twist drill
  • Y10T408/8725 - including means to permit relative axial positioning of edges
  • Y10T408/8925 - Depth-limiting member

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool