2863340

Information

• Patent Grant
• 2863340

• References
• Source

• Patent Number

  2,863,340

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1958
  66 years ago

• CPC

  • B23B51/108 - having a centering twist drill
  • B27G15/00 - Boring or turning tools Augers
  • Y10T408/8734 - including central Tool axially movable relative to support

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool